1915 Taisho Year 4 20 Yen gold (16.67g, .900), KM 40.2, obv. sunburst within mirror, rev. value and denomination within wreath and chrysanthemum at top, agw 0.4823 oz, Uncirculated. Scarce & beautiful. Ex Reserve Bank of Australia auction 2005, purchased for $3639. (Image1)