Please forgive my rant, but this drives me crazy. So many Youtubers rub the dirt off their silver (or gold) coins the second they dig them up. As a coin collector, my heart sinks whenever I see someone pull a sweet old silver coin out of the ground and proceed to damage it by furiously rubbing it with their fingers or against their clothing. There's one Youtuber who found a valuable US gold coin and proceeded to pick and rub away at some gunk with his fingers. AAAARGH! The minute my si