1920 Chayinkulun to Kalgan. Chinese style cover, f.w. Junk 3x 3c on
reverse, tied by scarce "Outer Mongolia / Chayin / Postal Agency
1920 Chayinkulun to Kalgan. Chinese style cover, f.w. Junk 3x 3c on
reverse, tied by scarce "Outer Mongolia / Chayin / Postal Agency /
Kulun" tombstone cancel.Transit Urga (Dec). Arrived Kalgan. Rough
edges but does not affect the postmark. Chayinkulun was a small
village near Karakorum. Only 3 covers bearing this type of
tombstone cancel were recorded in "The Postal History of Mongolia
1841-1941" by W.C. Hellrigl.
1920年扎英庫倫寄張家口。中式封，背貼帆船3x 3分，銷珍罕之“外蒙 / 扎英 / 郵寄代辦所 /
庫倫”碑形戳。12月經庫倫。抵張家口。邊緣輕微磨損但不影響郵戳。 扎英庫倫是哈拉和林附近的小村莊。W.C.Hellrigl著《The
Postal History of Mongolia 1841-1941》指鈐有此碑形戳之信封僅見三件。
