Watch List notes:

Preussen, Friedrich II, 6 Gröscher 1755-B
Śląsk, Fryderyk II Wielki, Szóstak 1755-B, Wrocław

Mennicza moneta.

Reference: F.u.S. 1035
Grade: NGC MS61

More photos and full item description available on auction site here

POLAND SILESIA SCHLESIEN PREUSSEN Fryderyk II Wielki 1740-1786