The best bicentennial half dollar error!
I was going through a box of half dollars and was bummed to find no silver, but i did find a bicentennial with the reverse upsidedown and not bicentennial.

Comments
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There looks to be a seam around the inside edge of the rim on the reverse, so it looks like a made up error and not authentic.
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@morgandollar1878 said:
There looks to be a seam around the inside edge of the rim on the reverse, so it looks like a made up error and not authentic.It's really odd. You go to all that trouble and insert the reverse upside-down?
All comments reflect the opinion of the author, even when irrefutably accurate.
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@jmlanzaf said:
@morgandollar1878 said:
There looks to be a seam around the inside edge of the rim on the reverse, so it looks like a made up error and not authentic.It's really odd. You go to all that trouble and insert the reverse upside-down?
Maybe it was on purpose.
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@morgandollar1878 said:
There looks to be a seam around the inside edge of the rim on the reverse, so it looks like a made up error and not authentic.Could you please explain to me how someone could possibly imprint the back of a half dollar with the wrong die and not Mar the front of the coin at all
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Two coins are used to make one coin. The reverse of one coin is machined with a lathe and the reverse is cut out of the other coin. The two pieces are then fitted and joined together to make one coin. Usually you see a coin with two heads or two tails, normally referred as magicians coins.
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The reverse has been hollowed out and a normal Kennedy Half reverse inserted into it. – just like a two headed or two tailed coin
Retired Collector & Dealer in Major Mint Error Coins & Currency since the 1960's.Co-Author of Whitman's "100 Greatest U.S. Mint Error Coins", and the Error Coin Encyclopedia, Vols., III & IV. Retired Authenticator for Major Mint Errors for PCGS. A 50+ Year PNG Member.A full-time numismatist since 1972, retired in 2022.4 -
it's not an imprint
cut out the back of a half dollar using machine cutting tools.
cut everything off using machine tools and leave the back of another half dollar.
put the 2 parts together.
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If it was real, that would be a really cool error. But alas....
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It's likely a 2 piece magicians coin, the back side is hollowed out with a lathe and the opposite is done to the obverse of another half dollar. The two sides are then mated. I believe they are usually hollow on the inside, does it sound different dropping it on the table than other coins?
You can see the seam above "UNITED" on the back just to the inside of the outside rim. You can also see the seam well by the AR of DOLLAR.
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@MsMorrisine said:
it's not an imprintcut out the back of a half dollar using machine cutting tools.
cut everything off using machine tools and leave the back of another half dollar.
put the 2 parts together.
Oh my God you guys are right! I took a normal half dollar and dropped it on the floor and it made a nice ting sound when I dropped the quote unquote error coin it was dull and flat sounding which definitely means it was inserted thank you guys.
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@morgandollar1878 said:
Two coins are used to make one coin. The reverse of one coin is machined with a lathe and the reverse is cut out of the other coin. The two pieces are then fitted and joined together to make one coin. Usually you see a coin with two heads or two tails, normally referred as magicians coins.so it is worth a dollar?
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I wonder if it was someone knowledgeable trying to create a 'fantasy' piece, or just someone messing around and not realizing the pairing was incongruous; would seem to be the former as one had to cut out the Indep Hall reverse...but who knows...
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I don’t care what it is, it’s the coolest coin I seen come out of a bank roll in years
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I would be careful with it but there is a chance it comes apart so that it can be flipped over to expose a different reverse.
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Magician's coin. I do a lot of roll searching and I've seen these many times before. Drop it inside a plastic jug and shake vigorously. It should pop apart with no damage and you'll likely see a different coin inside. Most of the time it's a British penny or a Mexican centavo.
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Clearly a manufactured coin for deception. I am glad you see that now. They show up in rolls from time to time... often as two headed or two tailed flipping coins. Cheers, RickO
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With a Bridgeport, the sky's the limit as to what you can make.
USAF (Ret) The purpose of Bourbon is to make you feel like you should feel WITHOUT Bourbon. Remembering RickO, a brother in arms.
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I have a double headed quarter and a double tailed quarter I made. It has a seam similar to the reverse on your half dollar coin. I made them on a lathe and soldered the pieces together. They do not pop apart.
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