I like the idea of a system that would allow only 2 coins - .5 and .1 - to function properly. However it could potentially mean removing the quarter from circul

I like the idea of a system that would allow only 2 coins - .5 and .1 - to function properly. However it could potentially mean removing the quarter from circulation completely, unless the holder is willing to sacrifice 20% of its value or has two of them.