Kook Yuen On Chong, $10, specimen, Swatow, 1914, vertical format, red and light green, mansion at upper centre, geometric shapes within borders, reverse red, '10 at each corner, Bank title in bilingual text, floral patterns left and right,PMG 63 Choice Uncirculated (Selvedge Included, Previously Mounted)..
Estimate: 7000 - 15000