Lot 1024

1926 Mongolian 2nd issue 20m with double vertical perforation variety. MH. Double perforation is the only variety illustrated "The Postal History of Mongolia 1841-1941" by W C Hellrigl. Other varieities of the 2nd issue were recorded but not confirmed.

1926年蒙古第二版20m新，帶右側複齒變異。此為Hellrigl著《The Postal History of Mongolia 1841-1941》中唯一附圖記載的變異。其他第二版變異票雖曾有記錄，但未能確定。