1930 Altanbulak (27 Oct) to Kalgan. Chinese style cover, f.w. Mongolian 4th issue 5m with bottom margin + 20m on reverse, tied by
1930 Altanbulak (27 Oct) to Kalgan. Chinese style cover, f.w. Mongolian 4th issue 5m with bottom margin + 20m on reverse, tied by Altanbulak cds, alongside with T mark. Transit Manchouli with censor mark. In combination ROC postage due 30c, tied by Kalgan (15 Dec) arrival cds. Illustration p.175 in "Huayou Jijin II - Stamps and Postal History of Mongolia" by M. Mizuhara. Ex- Gunnar Hellstrom (Mar 1981). Plus an extra pictorial issue 5m also tied by Altanbulak cds.1930.10.27 阿勒坦布拉格寄張家口。中式封，背貼蒙古第四版5m帶下邊紙 + 20m，銷阿勒坦布拉格日戳，旁鈐T章。經滿洲里，鈐檢查章。加貼民國欠資票3角，銷張家口12.15到達戳。水源明窗《華郵集錦II》第175頁原件。Gunnar Hellstrom舊藏（1981.3）。另附一枚同樣銷阿勒坦布拉格日戳之蒙古革命5m舊票。
