There are 25 $1.00 Canadian Loonie Coins in a roll.
A Canadian one dollar coin (a "loonie") is 1.75mm thick and 26.5mm in diameter (actually it is not round - rather,it has 11 curved sides - but the difference should be minimal for our purposes...
25
one loonie = 1.001.00 divided by 0.25 = 4 quarters
64