The only one among the nickel samples for the 20th anniversary of the Polish People's Republic directly referring with the front side to this (XX YEARS OF THE PRL on the material on the ears), and not just with the dates on the eagle side, as in previous ones.
A very nice design by Waclaw Kowalik, also loosely referring to the first two-zloty coins of the Second Republic period.
At the head of the reaper, a manufacturing flaw (minting with a contaminated stamp).