Japan, Edo subsubseries, Kan-ei Tsuho subsubsubseries, Shin-Kaneisen type, Juhmantsubo mint, 1736 AD.,
1 Mon (23 mm / 2,63 g), cast brass, square center hole,
Obv.: KAN 寛 - EI 永 - TSU 通 - HO 寶, top - down - right - left of center hole.
Rev.: (plain) , center hole.
Jenkinson 307 (Fitzwilliam Museum, museum accession no.: CM.652-1923, reference no.: 99648.) .