1950,1951及1949年西藏十两银币3枚一组,均评NGC AU Details有清洗,#6374401-035,-034,-031。Tibet, a trio of silver 10 srangs, 1950, 1951, 1949, (LM-661, LM-663, LM-661), graded NGC AU Details (Cleaned), AU Details (Cleaned), AU Details (Reverse Cleaned), Cert. #6374401-035, -034, -031 (3)