Literature: v. Schrotter 1596, Neumann 11.114a
A very rare orth of Frederick William (1640-1688) from the Königsberg mint with a Roman date notation of 1660.
Minted in an edition of only 162,800 pieces.
Deep mirrored background shine throughout both obverse and reverse.
The details are mind-blowing, the coin is incredibly impressive in real life.
