1926年西藏50唐卡,编号8509,PMG 20,有孔,首发年份,罕品,Alexander Lissanevitch旧藏。Government of Tibet, 50 tam, T.E. 1672 (A.D. 1926), serial number 8509, blue, red and yellow, black seal type 1A at right,(Pick 7a, YZM 880), in PMG holder, holes at issue, 20 Very Fine. T.E. 1672 is the first date and one of the rarest date among this series. ex-Alexander Lissanevitch. Wolfgang Bertsch Collection