5 Koruna 1951, Otto Guttfreund, 1,68 g, 23,61 mm, Al,
Very rare!,
Acquired from Gejza Chlapovič 2001,
M&CH CSR2-5KCS1951, Novotný 42a, Valovič CS19, Chlapovič str. 85 (obr. 92), Havel str.92 (obr. 111, 112),

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