10 Sen Pattern

Issuer Japan
Year
Type Coin pattern
Value 10 Sen (0.10 JPY)
Currency Yen (1871-date)
Composition Silver
Weight 2.25 g
Diameter 17.57 mm
Thickness
Shape Round
Technique Milled
Orientation
Engraver(s)
In circulation to
Reference(s)
Obverse description Value
Obverse script
Obverse lettering

(Translation: Ten Sen)
Reverse description Value
Reverse script
Reverse lettering 10
SEN
Edge
Mint
Mintage ND - Date unknown -
Numisquare ID 1876462180
Additional information

Historical Context: This 10 Sen silver pattern coin emerges from Japan's pivotal Meiji Era, specifically the early years under Emperor Meiji (Mutsuhito). It signifies the nation's rapid modernization and the revolutionary shift from the Tokugawa shogunate's complex currency to a unified, decimalized system. The establishment of the New Currency Act in 1871 (Meiji 4) laid the groundwork for the modern yen, making this pattern a crucial artifact illustrating the foundational stages of Japan's economic transformation, reflecting a period of intense reform and Westernization.

Artistry: While the specific engraver remains unconfirmed, this pattern likely reflects the influence of Western minting techniques, often involving European experts or Japanese artisans trained in their methods. The stylistic school adopted a neoclassical approach, blending traditional Japanese imperial symbolism, such as the prominent Kikumon (chrysanthemum crest), with modern, standardized numismatic elements. The design would typically feature the imperial crest on one side, balanced by denomination, date, and possibly a dragon or sunburst motif, all executed with precision characteristic of trial strikes.

Technical/Grading: As a pattern, this 10 Sen coin would exhibit an exceptionally sharp strike, often with proof-like or semi-proof fields. Key high-points for wear or strike assessment include the intricate details of the chrysanthemum petals, the central disc of the crest, and any fine elements within a surrounding wreath or dragon scales. The delicate size (17.57 mm) and weight (2.25 gg) demand a full, even strike, ensuring all design elements are crisp and well-defined, with strong rim definition and minimal planchet imperfections, typical of carefully produced trial pieces.

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