90% silver question - Mercury Dimes

I'm helping a friend sort out a ton of coins she inherited. We've separated the dimes between Roosevelts and Mercury. Are the Mercury dimes worth any more than 90% silver value for the common dates from 1934-45 in circulated condition? I'm guessing probably not but wanted to check. Also, are the 1916-1934 Mercury dimes (assuming common dates) worth any premium? Most are pretty circulated. Thanks in advance for any guidance.
Update
Here's what I'm looking though so far. Found some mm Mercs like 1916-s and other teens and some S mints from the 20s.

Update
Here's what I'm looking though so far. Found some mm Mercs like 1916-s and other teens and some S mints from the 20s.

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Comments
bob
Looking for Top Pop Mercury Dime Varieties & High Grade Mercury Dime Toners.
1) Face value
2) Intrinsic metal value
3) Collector premium
Even though it is illegal to melt US coins, prior to 1965 they do contain silver.
Mercury dimes and pre-1965 Roosevelt dimes have the metal content, so both have the same face and intrinsic values.
For highly circulated coins, there isn't much difference between the two coins. Unless you have a rare date, such as a 1916-D Mercury.
So you might want to search the Mercury dimes for rare dates that have a collectors premium.
Silver Coin Melt Value and Calculator
<< <i>Even though it is illegal to melt US coins, prior to 1965 they do contain silver. >>
It's not illegal to melt silver and gold US coins. Supposedly it is illegal to melt nickels and pennies but there are different opinions on the matter.
Lance.
Now if you're talking BU Roosies vs. well circ Mercs that's a tougher comparison.
BST those for your friend oilers99
"Inspiration exists, but it has to find you working" Pablo Picasso
what a haul there
1919's might be worthy of a second glance as it's a trendy thing to do right now in looking for the newly discovered ddo
of course one should look at every 1942 too for the overdate's
The 1942/1 is easy to spot. Be sure to check the 1942-D coins closely. There is an overdate that has the base of a 1 sticking down from the bottom of the 2. It will also show a doubled image on the bottom of the 4. Be advised that many Mercury dimes will show what is called "machine doubling" on the dates and other areas. THis has no added value.
When I was working at Harlan Berk's in Chicago I would sometimes get in solid groups of just Mercury's and try to sell them as such. Occasionally I was able to do so for a slight premium over common junk silver, but not often. Some bullion buyers do not like them because the average circulated Mercury dime has more wear than the average circulated 1946-1964 Roosevelt dime, just because the latter was in circulation for a shorter period of time. The Mercs thus contain less silver.
TD
"Jesus died for you and for me, Thank you,Jesus"!!!
--- If it should happen I die and leave this world and you want to remember me. Please only remember my opening Sig Line.Hoard the keys.
I know also a bit about sentimental value. The one thing you cannot talk some out of. They (we) have this built in value that we have X amount in it, or grandpa paid X amount for it and whatever reason, we value things higher when we believe they're worth more. … I know that seems ludicrous to some, but I've got a few young fellows who come into the shop with their parents, excited about that very possibility of getting the best for the least amount, in the quest for completion; to fill the need (a hole and a desire to buy silver … maybe all the commercials about silver and gold being a hedge is steering them ), and my job is to stay on course.
And yet when men want to barter or trade up, they always know the value of what the next grade up is.
Group them into dates and mint marks. Find the worst and the best and try to stack them by grade , with the best at the bottom of the tube and the worst toward the top.
If you finish this project, you will be cured for a few reasons:
1) hands will be filithy
2) the tuition will be cheap
3) there will be a closer study of the coin
And look at the best benefit. You guys get to cherry pick the best of each date and mint mark. Fun project with friends who like to sort coins, and study them, especially if your have a little free time on your hands.
But remember , wash your hands, not the coins.