Solid: the Smallest Silver Coin of Riga and Livonia

Illustrated Specimen Details: Solid (Solidus)

Example Specimen: Christina of Sweden, City of Riga (1643)

The coin shown above is a silver solid (solidus) minted in 1643 in the city of Riga during the era of Swedish Livonia. This period marks the height of the Swedish Empire’s influence in the Baltics. The ruler, Christina, Queen of Sweden and a member of the House of Vasa, oversaw the massive production of these small denominations to fuel the regional economy and support military expenditures.

The obverse displays the crowned monogram of Queen Christina, which encircles the coat of arms of the Vasa dynasty (a stylized sheaf of grain). The reverse features the crossed keys surmounted by a cross — the centuries-old heraldic symbol of the City of Riga. The legend SOLIDVS CIVI RIGE confirms the coin's origin and denomination.

1. SWEDISH LIVONIA & RIGA (17th century): 1 solid = 1/48 thaler
2. POLISH-LITHUANIAN COMMONWEALTH: 1 solid = 1/3 grosz (including the copper boratynka)
3. GERMAN STATES: Often referred to in documents and legends as schilling (although often on such coins bearing the name "solidus" in the legend)

The name of the coin "solid" is a direct descendant of the late Roman gold solidus. However, in medieval numismatics, it is practical to distinguish between the ancient gold denominations and the later silver or copper "solids" of Europe. This linguistic evolution is similar to the transformation of the Roman denarius into the medieval denar. The term later birthed many European currencies, such as the French sol (which became the sou) and the Italian soldo.

The Solid: A Pillar of Baltic and Central European Trade

The solid (or szeląg in Polish, schilling in German) was one of the most prolific and essential small-change denominations in Central and Northern Europe from the 15th through the 18th centuries. While its origins lie in the heavy gold coins of Rome, by the time of the Swedish occupation of Riga, the solid had evolved into a thin silver (often billon) piece designed for high-volume daily circulation.

The Swedish Era in Riga

Riga was the largest and most prosperous city in the Swedish Empire during the 17th century, even exceeding Stockholm in commercial importance. To facilitate the bustling trade of the Baltic port, the Riga mint struck millions of solids. These coins were used not only in Livonia but also flooded the markets of the Polish-Lithuanian Commonwealth and the Grand Duchy of Moscow.

The 1643 issue of Queen Christina is particularly iconic. It represents the "Vasa" style of coinage, characterized by clean monograms and clear heraldic symbols. Despite their low silver content, these solids were a trusted medium of exchange until the massive inflation caused by the introduction of copper substitutes later in the century.

Regional Variations and Equivalents

The term "solidus" in coin legends often leads to varied nomenclature in different regions. In the German states, these coins are almost universally cataloged as schillings. In the Polish-Lithuanian Commonwealth, the solid (szeląg) was tied to the grosz system. During the mid-17th century, a financial crisis led to the minting of billions of copper solids known as boratynki, which fundamentally changed the economic landscape of Eastern Europe.

Regardless of the metal or the specific local name, the solid served as the primary accounting unit for wages, small taxes, and market goods. Its value was usually fixed at 1/48 of a thaler in the Swedish-German system, making it a vital bridge between the common laborer and the international merchant.

Numismatic Perspective

For collectors, Riga solids are an excellent entry point into 17th-century European history. They are frequently found in hoards across Eastern Europe, testifying to their massive circulation. While common specimens are affordable, they offer a rich study of the shifting borders, dynastic changes, and the economic might of the Swedish Empire during its "Stormaktstiden" (Age of Greatness).