Annam. Silver 3 Tien, ND (1848-1883). KM-437; SCH-347.3. Tu Duc, 1848-1883. Square hole in center. Dragon in clouds. Reverse; Four characters. A wonderful preserved specimen, sharply struck, original gray tone and mint fresh luster. Rare this nice. NGC graded MS-63. Estimate Value $3,500 - 4,000