I was cruising GL today and found a Lyman Casting Furnace, Sand and Pewter $25 came with 10 pounds of lead-free pewter. Wow what a bargain! So I went to Rotometals and realized it must be Zinc Based Pewter. 93% Zinc, 4% Aluminum, and 3% Copper. The melted alloy in the pot looked like oatmeal. Just a warning for you Pewter hunters. Just because it's pewter doesn't mean it's tin.
https://hartford.craigslist.org/tls/...824736440.html
https://www.rotometals.com/zinc-based-pewter/