Pre-1965 silver dimes include Barber dimes, Mercury dimes, and Roosevelt dimes. All pre-1965 silver dimes - These are made from a 90% silver composition.Maybe you’ll have better luck than I’ve had so far! What Are The Most Valuable Dimes, Generally?īefore I dive into the list of rare dimes worth a bankroll or so apiece, let me share with you a rundown on dimes that aren’t exactly rare but worth significantly more than face value. However, I’m still looking for some truly rare and valuable dimes. I’ve actually managed to find some 90% silver dimes, a few minor error dimes, and the like. Of course, finding rare dimes is easier said than done… let me tell you! Rare dimes are valuable collectibles that many coin collectors hope to find.