Mint, with dirt only.
Bronze, diameter 55 mm, weight 70.89 g.
Obverse: Heads to the right, in the rim KS. KSAWERY LVBECKI - HR. LVDWIK JELSKI 1828-6-V-1928
Reverse: Plaque with inscription in nine lines: THE STATE OF POLAND, HAVING ESTABLISHED THE BANK OF POLAND IN 1924 AS A REFUGE OF THE MONETARY ORDER IN THE COUNTRY AND AS AN EXPRESSION OF SPIRITUAL CONNECTION WITH THE ANTEDILUVIAN INSTITUTION OF THAT NAME, EXPRESSES GRATITUDE TO THOSE NUMEROUS CITIZENS WHO SPARED NO SACRIFICE / FOR THE NATIONAL TREASURE. Below the date MCMXXVIII.