At the bottom, the image of the Eagle established as the state emblem of the Republic of Poland. On both sides of the Eagle, a notation of the year of issue: 20-17. Along the rim, an inscription: RZECZPOSPOLITA POLSKA (Republic of Poland) and following a separating pellet, an inscription: 50 ZŁ. Centrally, in a separated area, an inscription: SIGISMUNDI I. / EX BONA SFORTIA / FILIUS UNICUS, VIVENTE / PATRE DECENNIS IN REGEM / ELECTUS, POST OBITUM / PATRIS CURONIAM FEUDALEM / REIPUBLICÆ FECIT, LITHVANIAM / NEXU PERPETUO POLONIÆ /ADJUNXIT, JAGELLONEÆ / STIRPIS ULTIMUS /POLONIÆ REX, ORBUS / OBIIT KNISSINII / A.D. 1572. AETAT: 52, ended with a dot. Below the Eagle, on the right, the Mint mark, m/w.
centrally, a stylized image of the bust of Sigismund-Augustus in profile, in a hat with ostrich feathers, a ruff and a coat with a fur collar; a chain with the Order of the Golden Fleece over the king's neck. At the top, a semi-circular inscription: SIGISMUNDUS AUGUSTUS, ended with a dot. At the bottom, a signature: I.I. REICHEL.F, ended with a dot.
number of subject in the series: 13/24