Lot 1143

1937 Ulanbator (27 Mar) to France. Airmial registered cover front piece, f.w. pictorial issue 40m in pair + 50m in pair, alongside with Ulanbator registered label. It is the only type of registered label used in Ulanbator and it was in use for only 6 months.

1937.3.27 烏蘭巴托寄法國。航空掛號封封面，貼蒙古革命票40m雙連 + 50m雙連，旁貼烏蘭巴托掛號標籤。此為烏蘭巴托所曾使用的唯一一款掛號標籤，使用時間僅約六個月。