Letter Re: A Machine That Sorts Pennies by Composition
Sir: Referring to your comment about sorting pennies in your post about nickels: “At present, sorting pennies simply isn’t worth your time. Although I suppose that if someone were to invent an automated density-measuring penny sorting machine, he could make a fortune. As background: The pre-1983 pennies presently have a base metal value of about $0.0226 each.) Starting in 1983, the mint switched to 97.5% zinc pennies that are just flashed with copper. Those presently have a base metal value of about $0.0071 each.” A penny sorting machine has been developed by a member of the Gold Is Money information …