1928年西藏50唐卡,编号72546,PMG 15,纸角有缺,有孔。Government of Tibet, 50 tam, T.E. 1674 (A.D. 1928), serial number 72546, blue, red and yellow, black seal type 1B at right,(Pick 7a), in PMG holder, corner missing, holes at issue, 15 Choice Fine. Wolfgang Bertsch Collection