Very rare, technological sample in silver hundred dollar coin with Tadeusz Kosciuszko depicted in profile.
Designed by Stanislaw Plêskowski, which lived to see realization in a silver collector coin ("mirror").
Mint condition, with patina only. Mechanically unreserved.
Mintage of up to 30 pieces (according to NBP documents, 24 pieces).
Mirror stamp.
Silver, diameter 32 mm, weight 16.61 g.