11 Bits Crenated center hole in Mexico 8 Reales, KM# 108

Issuer Dominica
Year 1798
Type Standard circulation coin
Value 11 Bits
Currency Second Dominican Dollar (1798-1813)
Composition Silver (.903)
Weight
Diameter
Thickness
Shape Round with cutouts (Crenated center hole)
Technique
Orientation
Engraver(s)
In circulation to
Reference(s)
Obverse description Central circular of 15 crenations cut out of laureate bust right.
Obverse script Latin
Obverse lettering CAROLUS·IIII· DEI·GRATIA 1790
Reverse description Central circular of 15 crenations cut out between pillars, crown above.
Reverse script Latin
Reverse lettering ·HISPAN·ET IND·REX·Mo·8R·F·M·
Edge
Mint Mo
Mexican Mint (Casa de Moneda de
México), Mexico, Mexico (1535-date)
Mintage ND (1798) Mo - Host coin 1790 -
Numisquare ID 1033989630
Additional information

Historical Context: Dominica, a British colony in 1798 under King George III, experienced acute fractional currency shortages, a common West Indian issue. To address this, the colonial administration authorized modifying foreign coinage, predominantly Spanish colonial Mexican 8 Reales. The host coin, featuring Charles IV's effigy from the Mexico City mint, was centrally holed with a distinctive crenated punch. This unique modification created a specific local denomination, valued at 11 Bits, legitimizing its use and preventing bullion-driven export, reflecting pragmatic, ad-hoc monetary policy during a period of global conflict.

Artistry: The primary artistry of this issue stems from the original Mexican 8 Reales host coin, a product of the Bourbon Spanish colonial mint. It features a laureate, draped bust of King Charles IV on the obverse, rendered in the late 18th-century Neoclassical style. The reverse displays the crowned Spanish shield flanked by the Pillars of Hercules. Engraver signatures are rare for these mass-produced issues, the consistent style reflecting skilled die-sinking teams. The subsequent crenated center hole is a purely utilitarian modification, executed by punch, devoid of artistic intent but crucial for its economic function.

Technical/Grading: Grading this modified issue requires assessing both the host coin's condition and the modification's integrity. Key points include clarity of the original Charles IV portrait, legends, date, and mintmark (Mo). For the modification, collectors prioritize a well-defined, evenly crenated central hole, free from significant cracks or damage radiating into the planchet. Absence of corrosion, common in Caribbean finds, and preservation of original surfaces are crucial. Wear on the host coin's high points (portrait hair, laurel wreath, shield crown) should be evaluated alongside the holed area's quality.

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