Some factors come to mind: Why halves are better: Is it correct that half dollars contain more silver, on average, due to less circulation, on average, compared to quarters and dimes? Simpler storage due to smaller numbers Why dimes are better: More quantity. So if able to purchase $1 face of dimes at the same cost as a dollar face of quarters you have more quantity to resell Why quarters are better: Because the Standing Liberty looks nice? I can't think of any reason why quarters make sense. What are your thoughts?