GERMANY - FEDERAL REPUBLIC 5 Mark 1977 J Coin, Hamburg, Germany, Proof EF(40-45) | MA-Shops
Germany - Federal Republic 5 Mark KM 145 Prices & Values | NGC
1977 J Germany 5 Deutsche Mark - Carl Friedrich Gauss - silver coin | eBay
5 Deutsche Mark (Carl Friedrich Gauss) - Federal Republic of Germany – Numista
BRD 5,-DM 1977 J Carl Friedrich Gauss prägefrisch - minimal fleckig | MA-Shops
coins and more: 337) Johann Carl Friedrich Gauss: A 10 Mark German Banknote issued commemorating his contributions in 1990 which was in circulation till 2001:
1977 "J" Silver German 5 Deutsche Mark Carl F Gauss Great For Sets 508 | eBay
5 Deutsche Mark (Carl Friedrich Gauss) - Federal Republic of Germany – Numista
GERMANY 5 MARK UNC SILVER COIN 1977 CARL FRIEDRICH GAUSS UNC | eBay