mind if I bring my 2 cents to this ?. I think one thing it depends on is condition. If you try to put a 1964 quarter or dime in one and it is in good enough condition i would think so but if you put in a worn silver quarter or dime it has a less chance of getting accepted. I also think it has to do with the design of the coin if the coin is a silver statehood or washington it has a better chance of getting accepted then say a standing liberty or barber or seated liberty quarter. Same goes for dimes a silver roosevelt has a better chance then a winged liberty or a barber or a seated liberty. this is just my thoughts on this.