The rarest of the three varieties of this medal - without the mint mark.
As we read in"Polish Medals 1901-1944": "the Kościesza coat of arms is convex on most pieces, concave on a few dozen, and a dozen lack the mark".
A large, massive medal dedicated to Roman Zelazowski, minted on the occasion of his 50th anniversary of stage work.
The first medal of the Warsaw Mint minted after its opening.
Signature JS stamped on the edge.Bronze, diameter 60.5 mm, weight 99.5 g.