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"Cologne (1371-1414) goldgulden Fr-791
This specimen was lot 4016 in Goldberg sale 41 (Beverly Hills, May 2007), where it sold for $1,495. The catalog description[1] noted, "Cologne (Archbishopric). Goldgulden, ND. Friedrich II of Saarwerden, 1371-1414. Obv. St. John. Leg: MONETA BVINSIS Reverse: Coat of arms: Mainz/ Trier sides; quartered shield, Cologne and Saarwerden. Leg: FRIDIC- VCARP -VSCOL. NGC graded MS-63. This is not a rare type, but the coin normally is available in Very Fine grade. Here is a far superior example." Both the city and the archbishop of Cologne (or Koln) issued gold ducats and it takes a keen eye to tell them apart.
Recorded mintage: unknown.
Specification: 3.5 g, .986 fine gold, .110 troy oz AGW, this specimen 3.50 grams. 22.59 mm diameter.
Catalog reference: Fr-791; Saurma-2682/1411.
Source:
Friedberg, Arthur L. and Ira S. Friedberg, Gold Coins of the World, From Ancient Times to the Present, 7th ed., Clifton, NJ: Coin and Currency Institute, 2003.
[1]Goldberg, Ira, and Larry Goldberg, Goldberg Sale 41: the Pre-Long Beach Sale, Beverly Hills: Goldberg Coins and Collectibles, 2007."