1912-18、1918-22年西藏唐卡银币4枚,首2枚评PCGS AU Detail(环境损害), 第三枚 XF45及第四枚AU50。Tibet, group of 4x silver Tangka, 1912-1918 (2) and 1918-1922 (2), (Rhodes-F(ix), Y-F13.5; Rhodes-F(vii), Y-F13.3; Rhodes-F(xi), Y-F13.5; Rhodes-F(x), Y-F13.4), the first two graded PCGS Genuine Environmental Damage - AU Detail, the third XF45, the fourth AU50 (4)