Two sets of commemorative issue, in original issue cases.
In the 1974 issue album, noticeable blurring of the printing of the 50s (influenced by the album film). Likewise, the 10s, and minor fattening also noticeable on the 20 zloty and 100 zloty. The 1979 issue album without this effect.
The first commemorative issue, rebound in 1974 from the original plates, but using offset technology. The second was printed from original plates for the XXXVth anniversary of the People's Republic of Poland, in 1979.
