A rare vintage (minted in an edition of 10,000 pieces).
Here, additionally, in a variety not included in Bitkin, with the last digit of the date pierced (5 for 6).
A two-denomination twenty-zloty coin, i.e. the highest denomination among the bilingual coins of the Polish partition times.
St. Petersburg mint.
Ex. Karl Stephens (1987).
Gold, diameter 19 mm, weight 3.87 g.
