Roosevelt Dime Errors 2015-2017

I used to search dimes fairly frequently and I noticed many 2015-2017 dimes suffer from some degree of Die Deterioration. This would cause the elements near the rim to became distorted and seemingly doubled towards the rim. This may be what you are finding and would not be worth keeping. However, I can't say for sure that this is what you have without seeing pictures.

So,

Here are the listings of the known Dimes doubled dies, so far the only one with a doubled date is a 2012-P dime:

http://www.doubleddie.com/499555.html