Watch List notes:

COINS, 錢幣, CHINA - PROVINCIAL ISSUES, 中國 - 地方發行, Yunnan Province 雲南省, Tang Chi-Yao ¬蟤~堯: Gold 10-Dollars, ND (1919), Obv ¾-facing bust, Rev crossed flags without numeral "1" below tassels (L&M 1056; Kann 1523; KM Y482.1). Uncirculated.
ex Huachen Auction 華辰, 3 November 2002, lot 1012

Estimate: US$1,500-1,800