1990 AD., Poland, Peoples Republic, Warsaw mint, 20 ZÅ‚otych, KM Y 153.2.

Poland, Peoples Republic, Warsaw mint, 1990 AD.,
20 Złotych (ø 24 mm / 5,67 g), copper-nickel, (small type), 5,65 g theor. mint weight, mintage 104.712.000 , medal alignment ↑↑ (0°), reeded edge,
Obv.: POLSKA RZECZPOSPOLITA LUDOWA / mW / · 1990 · , around Polish coat of arms: eagle with spread wings, mint mark mW -monogram below r. claw.
Rev.: 20 / ZŁOTYCH , large value number above denomination between lines.
KM Y 153.2 ; Parchimowicz 255b .

Year / Mint Mark / Mintage
1989 mW 95,974,000
1989 mW 5,000 (proof)
1990 mW 104.712.000
1990 mW 5,000 (proof)