This 20 Mark copper-nickel coin was issued by the German Democratic Republic in 1972, commemorating the 170th anniversary of Friedrich von Schiller (1759–1805), a revered German poet and dramatist. Featuring Schiller’s portrait on the reverse and the GDR state emblem on the obverse, this 33 mm round coin—minted in Berlin—is a classic example of DDR numismatic art.

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Specifications:
Country & Era: GDR (German Democratic Republic, 1949–1990) 
Year: 1972; Mint Mark: A (Berlin) 
Denomination: 20 Mark (Mark der DDR)
Metal Composition: Copper–Nickel (75 % Cu / 25 % Ni)
Weight: ~15.5 g
Diameter: 33 mm; Thickness: ~2.38 mm 
Edge: Lettered plain edge: “20 MARK * 20 MARK * …” 
Obverse Design: GDR coat of arms, mintmark “A”, year, and denomination
Reverse Design: Right-facing profile of Friedrich von Schiller, with birth/death years and name

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Mintage & Rarity:
Mintage: 7,480,378 coins minted at Berlin (A) 
Classified as “very scarce” by collectors