1919 (6 Aug) Cover by Szechuan warlord Liu Chenxun to French Consulate Chengtu, applied with scarce Szechuan clique military cancellation
1919 (6 Aug) Cover by Szechuan warlord Liu Chenxun to French Consulate Chengtu, applied with scarce Szechuan clique military cancellation in violet. Only 5 covers with this postmarks are known. 1919.8.6 由四川軍閥劉成勳寄法國駐成都領事館，鈐少見難得之紫色腰框軍郵日戳。此戳存世者僅五件。
