How should these metals be classified? - Tin-zinc alloy e.g. https://www.zeno.ru/showphoto.php?photo=202812 - silver washed AE e.g. https://www.zeno.ru/showphoto.php?photo=261151 It is possible these terms exist. If they do, give me advice on how I should have located them.
How should these metals be classified?
It is possible these terms exist. If they do, give me advice on how I should have located them.