Polish Peoples Republic 1949-1990
Cat.: 1979PL00820
Year: 1979
Mintage: 500
50 Zlotych
pictures: Warszawskie Centrum Numizmatyczne
proba (Ni) - Mieszko I
| Fortress Algorithm | Grade | 2023 | 2024 | 2025 |
|---|---|---|---|---|
| 397 | UNC ( I ) | 405 | 405 | 405 |
| 175 | XF ( II ) | 179 | 179 | 179 |
2020-12-13   PF ( StL ) 330 PLN - 91 USD - 75 EUR |
2020-06-21   UNC ( I ) 290 PLN - 74 USD - 66 EUR |
2019-12-15   UNC- ( I/I- ) 300 PLN - 79 USD - 71 EUR |
2019-12-15   PF ( StL ) 310 PLN - 82 USD - 73 EUR |
2019-06-16   PF- ( L/L- ) 280 PLN - 66 USD - 75 EUR |
2019-03-17   PF ( StL- ) 300 PLN - 80 USD - 70 EUR |
Sale Date | Auction | Grade | Price |
|---|---|---|---|
| 2020-12-13 |
| PF ( StL ) | 330 PLN - 91 USD - 75 EUR |
| 2020-06-21 |
| UNC ( I ) | 290 PLN - 74 USD - 66 EUR |
| 2019-12-15 |
| UNC- ( I/I- ) | 300 PLN - 79 USD - 71 EUR |
| 2019-12-15 |
| PF ( StL ) | 310 PLN - 82 USD - 73 EUR |
| 2019-06-16 |
| PF- ( L/L- ) | 280 PLN - 66 USD - 75 EUR |
| 2019-03-17 |
| PF ( StL- ) | 300 PLN - 80 USD - 70 EUR |
( Parchimowicz p326 )
**Original catalogue currency is PLN
Catalogue prices are based on the reference exchange rates provided by the European Central Bank on 2026-02-06
( 1 PLN = 0.27957804906957 USD) ( 1 USD = 3.5768187213838 PLN)