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I came across 2 1970 clad dimes that I would say are very "proof-like" in appearance except for a little toning. I see there is big money on 1970 proof dimes that are missing the "s".

What is the best and easiest way to determine if my 2 1970 dimes are proofs?

Thanks for the help!

Do the surfaces have mirror finishes on them?
They had to have come out of a proof set,
so where did you pick em up at.

Rob, check out the proofs on eBay and see how your coins stack up.

TheJonasCollegeFund wrote:What is the best and easiest way to determine

The easiest way, is to find them in a proof set. I know, I know, that didn't help. Let us know what you find out!

I have a 1970S to compare them. Thought there might be some small trick like the tissue paper one for spotting silver proofs.

I hope you have a 1970 proof roosevelt. However I am suspicious by nature and I wonder if someone hasn't removed the "S" and then artificially toned the coin to cover up any removal evidence. I say this only because I have sorted countless thousands of dimes and I've seen many proofs circa 1970's - 2000's and I've never seen one that was toned. I hope I am wrong about this and that you have two valuable coins. It might be a good idea to have them graded.

Did you check the edges on the suspected coins and compared them with the proof? Proof coins are struck at least twice to bring out the detail... and the reeds on the edge are overly straight and "neater" than circulating issues, if that makes any sense.