CHINA, Oriental Coins, CHINESE REPUBLIC, Sun Yat-Sen: Silver 20-Cents, ND (1912), founding of the Republic (KM Y317; L&M 61). In PCGS holder, graded MS67, peripheral steel-blue and russet toning over mostly frosty white surfaces, gem uncirculated, probably one of the finest known specimens. Estimate: US$1,200-1,500