Illustrated Specimen Details: 1/2 Groten (Bremen)
Example Specimen: 1/2 groten, 1771 — Free Hanseatic City of Bremen
Authority and Symbolism: This small silver coin was issued by the Republic of Bremen (Moneta Nova Reipublicae Bremensis). The obverse prominently features the city's coat of arms: a crowned silver key. This "Key of Bremen" is the attribute of Saint Peter, the patron saint of the Bremen Cathedral, symbolizing the city's religious and civic identity.
The Mintmaster's Mark: Beneath the floral ornament and date, the initials D.B. identify Rudolph David du Bois, a prolific medallist and mintmaster who served Bremen between 1763 and 1797. This specific specimen is a rare variety where the initials appear above the wreath, a design more commonly seen in the 1772 issues.
Circulation: While the standard mintage for this year was approximately 139,000 pieces, varieties like this one provide unique insights into the manual die-cutting processes of the 18th century.
Denomination: 1/2 groten
Date: 1771
Metal: Silver
Weight: 0.68 g | Diameter: 15.0 mm
Mint: Bremen (Germany)
Estimated value: 25$
DENOMINATION GUIDE — WHERE & WHEN (coins catalog: by names & emitents)
- CITY OF BREMEN (15th-19th centuries): 1 groten = 5 schwaren coins. 72 groten = 1 silver thaler.
- OLDENBURG (17th-19th centuries): Used as a subdivision of the thaler (1/72 or 1/144 depending on the period).
- DOMINION OF KNYPHAUSEN: Issued as a 1/72 thaler denomination in the 19th century.
- DOMINION OF JEVER: Known for issuing the face value in the "groot" format.
The origin of the GROTEN: The name «groten» (plural: «grote») finds its roots in the French Gros Tournois. This influential silver coin spread through the Low Countries and Northern Germany during the 14th century, where it was locally adapted. The term itself stems from the Middle Low German word for «large», marking its transition from a «thick» silver coin to a standard unit of trade.
History, Evolution, and the Hanseatic Legacy of the Groten
The groten belongs to the prestigious European family of «grossus» (large) coins, which includes the English groat, the Italian grosso, and the German groschen. In the context of Northern Germany, specifically Bremen and Oldenburg, the groten became a fundamental pillar of maritime and urban commerce.
A Bridge in the Monetary System
In the complex patchwork of the German States' monetary systems, the groten served as a vital bridge. Tiny base-metal coins like the pfennig or schwaren were used for local micro-transactions, while the large silver thaler was reserved for international trade. The groten provided a medium-sized silver unit that allowed merchants to conduct business efficiently within the Hanseatic trading network. In Bremen, the ratio of 72 groten to 1 thaler remained a stable standard for centuries.
The Hanseatic Influence
As a Free Hanseatic City, Bremen used its coinage to project independence and economic strength. The groten was not just a piece of silver; it was a certificate of the city's sovereign right to strike money. Because of Bremen's extensive trade links, these coins traveled far beyond the city walls, circulating throughout the North Sea and Baltic regions.
Numismatic Significance Today
For modern collectors, groten are fascinating due to the sheer variety of mintmaster marks and heraldic designs. While many were struck in billon (low-grade silver) during times of war or economic hardship, the 18th-century issues of Bremen often maintain a high level of artistic quality. Identifying rare varieties — such as die variations in the placement of the mintmaster's initials — remains a primary challenge and joy for numismatists specializing in German states.