Poland 1980-MW 20 groszy

formerly in the Mountain Groan Collection

This type was struck 1957, 1961-85 as the communist regime in Poland slowly deteriorated under foreign debt and internal unrest. Some were struck at Kremnica in 1973 but the rest were made in Warsaw. Most dates are common. The denomination was terminated in 1985, inflation having rendered it worthless.

Recorded mintage: 30,020,000 plus 5,000 proofs.

Specification: 1.00 g, aluminum, 20 mm diameter.

Catalog reference: KM YA47.

Source:

• Michael, Thomas, and Tracy L. Schmidt, Standard Catalog of World Coins, 1901-2000, 47th ed., Iola, WI: Krause Publications, 2019.

Link to:

• 1969-MW 20 groszy
• 1977 2 złote
• 1978-MW 10 groszy
• 1978 50 groszy
• 1979-MW 100 złotych, chamois, pattern struck in silver
• 1979-MW 2000 złotych, Mieszko I
• 1979 2000 złotych, Mme Curie
• 1979 2000 złotych, Copernicus
• 1980-MW 2000 złotych, Bolesław I Chrobry
• 1980-MW 2000 złotych, Ski Jump
• 1982-MW złoty
• 1982-MW 5 złotych
• Coins and currency dated 1980