China
Republic Sun Yat-sen "Birds Over Junk" Dollar Year 21 (1932) MS64+ PCGS, L&M-108, K-622, KM-Y344. An exemplary, near-Gem example of this popular issue. The strike is sharp for the issue, with mottled russet toning over full underlying mint luster and only a few very insignificant imperfections.
Estimate: 10000-12000 USD