No, I proposed either quarters-only, or dimes + fifty-cent pieces. [EDIT: That is, I agree with you that just 50¢ pieces would be too large a minimum-coin-size

No, I proposed either quarters-only, or dimes + fifty-cent pieces. [EDIT: That is, I agree with you that just 50¢ pieces would be too large a minimum-coin-size] Dimes are currently worth the equivalent of sub-penny coins in past decades (~40% of a 1913 penny), like the half-penny, and since those were useful then I can see the argument for keeping them around. Nickels and pennies are just useless. IMO by the time we got around to getting rid of dimes, if we started now, they'd also be useless, so I'd also be open to just going straight to quarters-only.