Letter Re: A Practical Use for Post-1982 US Zinc Pennies
Sir: I just discovered your site this afternoon and look forward to perusing it in depth. I noted your response to the question about hoarding dimes and your reference to the metal content dollar value. Let me pass on a tip: hoard up a several pounds of pennies. Here’s why. As you know, pennies are roughly 97% zinc and 3% copper. To that mixture, one may add a few aluminum cans and minor amount of copper wire to bring the mix to 93% zinc, 3% copper, and 4% aluminum. This alloy melts at relatively low temperatures and is called “Zamak”. …