Well I've been melting down my pewter that I've been getting from thrift shops into easy to manage ingots --
A whole bunch of them had this golden sheen on the bottom, so was wondering what it could be - antimony, high tin content? I searched and cannot find info so I'm posting here to see what you guys have to say.
Here's the photo - https://photos.app.goo.gl/BowrTjp1Q61fKh7w8