Austria
Maria Theresia copper Obverse Hub Trial Taler ND (1780) MS65 Brown NGC, A smooth brown Gem that displays the incuse bust of Maria Theresa (that likeness used on the Austrian talers for centuries with the static 1780 date) and was made using an obverse matrix die. The only such example that we've seen of the type.
Ex. David Vice Collection
Estimate: 2000-2500 USD