Heck, it's not necessary to restore dates in the first place. But figuring things out is fun.
It's worth a try. I do have some of that on hand, and might give it a shot at some point. But ordinary white vinegar is plenty pure enough. (Don't...
Probably. I'd avoid hydrochloric acid; the chloride ions in combination with oxygen from the air can attack metal too aggressively. I'd also...
Nice clip/incomplete planchet on the nickel - I would've grabbed that, too, at that price! I'm nervous about the blobbiness on the right wheat...
Exactly. Any shop that wanted to speculate on silver going up would've been driven out of business in the early 2010s. In a price environment...
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