Post your rarest coin
Like the above says, post your rarest coin, in terms of value.
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Comments
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1937-D 3 Legged Buffalo PCGS MS 65 Cost 25K27 -
2016 P nickel struck over a 2015 P nickel.
Cost: 5 cents.
Value: ???
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1856 PCGS PR66 S-9 EEPS + CAC:

Current PG value is $90000.
“The thrill of the hunt never gets old”
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Dave
Always looking for original, better date VF20-VF35 Barber quarters and halves, and a quality beer.21 -

R4+ Not my rarest, but it sure is the most valuable. Unattributed on the holder, but an S-2 in 53 has a price guide of $150k. Ex. Chapman and has a pedigree back to 188538 -

Less than 100 known and this is the sole finest.20 -
Certainly not the most valuable coin I have, but for rarity I apply the “ go ahead, just find another” measurement, and doing so arrive at this…. Go ahead, find another with this largely unflawed planchet, centering and surfaces.


Other passions include golf, Moto Guzzi motorcycles, and Euro motorcycles in general.
Chris9 -
Obverse is the avatar. Extra stars in the shield. Price Guide: ??

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Mark11 -
It is not that life is short, but that you are dead for so very long.12 -
I'd be very curious to see what @boiler78 has for this subject.
It is not that life is short, but that you are dead for so very long.3 -
Would be interested to see @tradedollarnut
Proud follower of Christ! I love the USA! Land of the Bright and Beautiful! 🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸
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"... post your rarest coin, in terms of value"
What an odd thought. Especially as rarity and value often do not go hand in hand.
I suppose you are looking for something that would be rare in a conventional sense (mintage or rarity factor), and then value on a price scale.
Here's two different thoughts on the matter from my collection.
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The first is a 1815/2 Capped Bust Half Dollar. The reportaged mintage on this year is 47,150, which is easily the lowest for the series, and puts it into the rarities column based on mintage alone (IMO), and also gets expensive in this grade (AU53).


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The next is a an 1827 Capped Bust Half, from the Die Marriage noted as Overton 116. While the 1827 date is not a rare mintage for CBH's by any imagination at 5,493,400 pieces, this is an r.4 Die Marriage, and Very Scarce as such.
And frankly, this is probably the finest overall piece for the DM, depending on your specific taste in coins, despite the grade being a few points down (at AU58) from the top graded. This coin is (was) very expensive in comparison to other AU58's of the date, but was certainly worth it to me (and is to other specialists).


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Just thoughts as I rest after one heck of a week!
“We are only their care-takers,” he posed, “if we take good care of them, then centuries from now they may still be here … ”
Todd - BHNC #24217 -
Interesting that the OP defines rarity by value, not necessarily with absolute or conditional rarity.
As I think about my collection, my "value rarity" might likely be that I paid too much for something that I wanted to own (ala, it is perhaps unusual for someone to pay such a premium).
I will choose this coin that has some scarcity. CAC has graded 5 coins in higher grades, however, the Eliasberg provenance might add a bit of desirability (it did for me) and I paid up way beyond price guide.
MS63+ CAC
Seated Half Society member #38
"She comes out of the sun in a silk dress,
running like a water color in the rain...."23 -
If patterns are permissible, it’s unquestionably this J-1354 from the Bass collection, which was released from the ANA Museum a few years ago. It’s top pop at PCGS in PR65 (tied w/two others, two lower), and an absolute rarity classified as a “low R-7” in Judd’s text (7-12 total pieces in existence).
There is only a single CAC stickered coin (a PR64 example) and only a single example with a Cameo designation at all services, an NGC PR65CAM. My example was struck in silver, but there are others known with this die pairing in other metals, most commonly copper (however, these are different Judd numbers).
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All beautiful coins! Here's mine. Estimated value: 800

Proud follower of Christ! I love the USA! Land of the Bright and Beautiful! 🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸
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I agree with @pursuitofliberty and @Catbert. My rarest coin is by far this one, with a pop of 17 in all CAM grades at all services. If you take only the CAC examples, that's down to 4, making it a high R-7. Value wise, I'm not sure if it makes the top ten in my collection.


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Purchased a few years ago.


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@pcgsregistrycollector said:
Like the above says, post your rarest coin, in terms of value.Huh? So post your most valuable coin?
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Most valuable could be one of these, just depends on the auction action.


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@fastfreddie said:

Rare date! Love the color and nice surfaces!
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@Clackamas1 said:

Less than 100 known and this is the sole finest.This is truly a unique rare coin! Beautiful! Amazing to find one that didn't circulate back in SF, with their lack of paper money use!
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1860-S PCGS VF-35
PCGS coin facts 35-40 known, perhaps that is slightly optimistic, but it is quite rare!
Second rarest S mint $10 as a date. The plain date 1865-S may be rarer, but there are many more inverted date 1865-S, making it much easier to find an 1865-S as a date.
Tied for 6th rarest Liberty $10. Tied with much more popular 1883-O for rarity.
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@Catbert said:
Interesting that the OP defines rarity by value, not necessarily with absolute or conditional rarity.As I think about my collection, my "value rarity" might likely be that I paid too much for something that I wanted to own (ala, it is perhaps unusual for someone to pay such a premium).
I will choose this coin that has some scarcity. CAC has graded 5 coins in higher grades, however, the Eliasberg provenance might add a bit of desirability (it did for me) and I paid up way beyond price guide.
MS63+ CAC

Gorgeous 1841-O Half! Eyes keep on following the rings. Me happy and hypnotized, I think!
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Rare and has a recognized value as a key to the set.

These other two are undocumented die marriages and have rarity though value is not yet commensurate.
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Mine would have to be my 1926 DDO dime. It seems to be a fairly scarce variety; since the publication of its discovery in 2016, only ten examples have straight graded. NGC has graded 3, PCGS has graded 6, and CACG has graded 1. (There are also at least 2 details coins).
At AU53, my example is top pop across all TGPs. The next closest is an XF40 graded by PCGS. Since there haven't been many public sales, it's difficult to estimate a value. But earlier this year, a PCGS/CAC G-6 example sold for $2,495.
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Here's one of mine. Certainly not the rarest, but not the cheapest, either.

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1943 Lincoln Cent Struck on Silver Dime Planchet
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Double Struck Connecticut Copper
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Another not that rare, but not cheap. PCGS MS63+
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Struck 16 times, 15 off center 60+ percent

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Last one for the night...


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It may not be the most valuable in terms of any price guide but it's the one that would cost the most for anyone to pry out of my hands.
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Love that Chain, and the 1878-s half, have never owned either one. I have a nicer lower grade liberty cab, but I still like the chain
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Value is one thing. Rarity is another.
This is my most valuable coin, a 1796 No Stars Quarter Eagle. The estimated surviving population is 125 pieces.

With respect to the piece with the fewest number of survivors it would be this one for a straight date and mint mark combination, an 1855-D Gold Dollar. The estimated number of survivors is around 85.

I have some die varieties and tokens which are much rarer.
Retired dealer and avid collector of U.S. type coins, 19th century presidential campaign medalets and selected medals. In recent years I have been working on a set of British coins - at least one coin from each king or queen who issued pieces that are collectible. I am also collecting at least one coin for each Roman emperor from Julius Caesar to ... ?17 -
...my collection is MUCH more pedestrian! In terms of "value", I probably have the most money tied up in this common date $20 Saint...

In terms of rarity and surviving populations... the mintage of 1797 half cents was 127,840 and the surviving populations in all grades is about 200. Mintages were lower on the 1796 Liberty Cap Cent but there are over 1000 surviving pieces in all grades.

Collecting: Dansco 7070; Middle Date Large Cents (VF-AU); Box of 20;
Successful BST transactions with: SilverEagles92; Ahrensdad; Smitty; GregHansen; Lablade; Mercury10c; copperflopper; whatsup; KISHU1; scrapman1077, crispy, canadanz, smallchange, robkool, Mission16, ranshdow, ibzman350, Fallguy, Collectorcoins, SurfinxHI, jwitten, Walkerguy21D, dsessom.14 -
I just love that 1 over 1 variety.
Seated Half Society member #38
"She comes out of the sun in a silk dress,
running like a water color in the rain...."4 -


1803 S-264 Estimated 75 known8 -
@Catbert said:
I just love that 1 over 1 variety.I acquired this one many years ago at a NENA convention. This one is an early die state. Most of them are late die states which lack a lot of detail. The mint pushed all they could get and then some out of this set of dies.
Retired dealer and avid collector of U.S. type coins, 19th century presidential campaign medalets and selected medals. In recent years I have been working on a set of British coins - at least one coin from each king or queen who issued pieces that are collectible. I am also collecting at least one coin for each Roman emperor from Julius Caesar to ... ?14 -
This is my rarest and the only one known to exist.
In terms of value, who knows?
1968d Lincoln cent struck on a silver dime planchet
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@JBN said:
Rare and has a recognized value as a key to the set.
Holy Cr@p, Batman!! Now THERE's something we don't see every day... unless you're on THIS Forum anyway...
Collecting: Dansco 7070; Middle Date Large Cents (VF-AU); Box of 20;
Successful BST transactions with: SilverEagles92; Ahrensdad; Smitty; GregHansen; Lablade; Mercury10c; copperflopper; whatsup; KISHU1; scrapman1077, crispy, canadanz, smallchange, robkool, Mission16, ranshdow, ibzman350, Fallguy, Collectorcoins, SurfinxHI, jwitten, Walkerguy21D, dsessom.4 -
A rare issue, particularly rare with this color and stickered, in my experience.
This will likely be the last coin I ever part with, once I begin an age-driven process of scaling out of my collection.
Other passions include golf, Moto Guzzi motorcycles, and Euro motorcycles in general.
Chris16 -
1804 Large Cent. Sorry for the blurry pics.

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This is my rarest coin. PCGS Proof 64 CAC. Ex Lovejoy Collection sold by Stack's in 1990. Only two are known and the other is in the Smithsonian Collection. It was purchased in 1996 therefore the price would be multiples of what it cost back then.16 -
It's awesome! But it's only an R5 die marriage, whereas JBNs 1850-O and 1871-S are R7s if not R8s.
This beauty is an R7 as well. It's worth . . . $40 on a good day if one finds someone dumb enough to buy it. If they are really dumb, they pay $70 for it.


Supply and demand. (And quality is important, too)
This DM is an R3 and is one of the more common die marriages out of 15 known for 1840 New Orleans coins, yet it is worth five times more than other 40-O die marriages with rarity ratings as R5s and R6.
WB-4 (R3)
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Canada cent, 1858 Copper-Nickel Trial Piece, SP-66, 10 known, pop 1/0, ex. Farouk, Norweb, and Belzberg.
Numismatic author & owner of the Uncommon Cents collections. 2011 and 2025 Fred Bowman Literary Award, 2025 Guy Potter Literary Award, 2022 Paul Fiocca Award, & 2020 J. Douglas Ferguson Award.
http://www.victoriancent.com13 -
@bosox said:
Canada cent, 1858 Copper-Nickel Trial Piece, SP-66, 10 known, pop 1/0, ex. Farouk, Norweb, and Belzberg.
That is a beauty. I adore the toning.

Proud follower of Christ! I love the USA! Land of the Bright and Beautiful! 🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸
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What is the percent metal composition for that trial 1858 Large Cent?
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