KO87075. Copper 1 mun, Velde-Hartill type 28.20.10, SCWC KM 469.10 (1857), CKCB 18.329, Craig LCC 6, Fair/VF, earthen deposits, Hullyondogam (Military Training Command) mint, weight 4.892g, maximum diameter 24.6mm, die axis 0
o, 1832 or 1857; obverse Sang Pyong Tong Bo (always even universal currency); reverse Hun (Hullyondogam) mintmark above, Saeng (to produce) below, + (sip=10) left (series number);
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