【銀貨/コイン】実物資産！色々な銀貨を氷に刺して、溶け具合で真贋を確かめてみた！

One of the simple ways to authenticate silver coins is to stick them into ice to check their thermal conductivity. #Let'sgosilverhunting #Treasurehunt #Collection #Silver #Oldcoins #Antiquecoins #Fake #Silvercoins #Preciousmetals #Treasurehunt