Sapyx ✭✭✭✭✭

Yes. Slow and patient repeated annealing is the key, heat and quenching to try to shrink the crystals inside the silver. Google "straighten a bent mediaeval coin" and you should get a coupl… (View Post)

I snapped a 2500 year old ancient coin in half. Silver has an interesting property, almost unique to silver: as it ages, it "crystallizes", making it more brittle. So a piece of silver that… (View Post)

Such disparities can only exist when civilizations exist in isolation, with minimal contact or trade between them. If you were a Mesopotamian merchant and found out that those crazy Egyptians were ha… (View Post)

Jeweller's solder is different from electronics solder - it's made with a high silver and/or gold content, and is deliberately designed to blend into the coin's surface at an atomic le… (View Post)

It's just a reminder, again: "reputable" does not mean "they never make mistakes", it means "they try really hard to not make mistakes, and on the rare but inevitable oc… (View Post)