1 Mon 'Gennatsūhō' Bansen, number on reverse

Obverse description	Cast bronze cash-type coin featuring the four-character legend 元和通寶 (Genna Tsūhō) arranged in cruciform fashion around a central square hole, reading top-bottom-right-left in the traditional East Asian manner. The characters are rendered in a bold, regular-script (kaishu) style with well-defined raised strokes against a flat field. A raised rim encircles the entire obverse, and the square perforation is framed by a raised inner border. The overall design follows the classical Chinese cash coin format adopted for Japanese Tokugawa-period issues.
Obverse script	Chinese
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Reverse description	Plain cast reverse displaying a single Chinese numeral character above the central square hole, serving as a mint or batch identifier (bansen number). The character 六 (six) is positioned at the top of the square perforation in raised relief, rendered in regular script. The remainder of the reverse field is largely plain and unadorned, with a raised outer rim and a raised inner border surrounding the square hole consistent with the obverse treatment.
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