1934年西藏50唐卡,编号541418,PMG 15,有孔,与1672年版别一样稀见。Government of Tibet, 50 tam, T.E. 1680 (A.D. 1934), serial number 541418, blue, red and yellow, black seal type 2 at right,(Pick 7b), in PMG holder, holes at issue, 15 Choice Fine. Nearly as rare as the 1672 date type. Wolfgang Bertsch Collection