1844 & 1851 Two letters (no covers) written in French by a French Missionary (who will later be Bishop) from Sy-Tchuen, Mongolia to France, tears and stained but rare early letters from Mongolia (Image)

1858 Letter (no cover) written in French by a Bishop from Mongolia to France and commenting the new Treaty allowing the Catholic Missions in China, a fantastic Missionary letter (Image)

1903-60ca. Duplicated ranges from early issues incl. 3 defective covers, few perforation varieties, revenues (Est. € 150/300) (Image)