20 Groszy (Brass Trial Strike) 1957 front 20 Groszy (Brass Trial Strike) 1957 back
20 Groszy (Brass Trial Strike) 1957 photo
© GNDM

20 Groszy Brass Trial Strike

1957 year
Brass 3 g 20 mm
Description
Issuer
Poland
Period
Polish People's Republic (1952-1989)
Type
Pattern
Year
1957
Value
20 Groszys (20 Groszy) (0.20&nbspPLZ)
Currency
Third Zloty (1949-1994)
Composition
Brass
Weight
3 g
Diameter
20 mm
Shape
Round
Technique
Milled
Orientation
Medal alignment ↑↑
Demonetized
Yes
Updated
2024-10-07
References
Numista
N#125476
Rarity index
97%

Reverse

Script: Latin

Lettering:
20
GROSZY
PRÓBA

Engravers: Josef Koreň, Anton Hám

Edge

Plain

Interesting fact

The Pattern 20 Groszy (Brass Trial Strike) 1957 is a rare and unique coin, with only 200 pieces minted. It was created as a trial strike to test the brass alloy used in the production of coins, and it features a distinctive design that sets it apart from other coins of its time. The obverse of the coin features the coat of arms of Poland, while the reverse features the denomination and the year of issue. Due to its rarity and historical significance, this coin is highly sought after by collectors and can fetch a high price at auction.

Price

Date Mintage VG F VF XF AU UNC
1957  100 - - - - - -

Values in the table are based on evaluations by sales realized on Internet platforms. They serve as an indication only for 20 Groszy (Brass Trial Strike) 1957 coin.