1925 and 1940 a pair of Yunnan domestic censor covers, sending from Kokiuchang and Menghwa respectively, applied with oval "Kokiuchang
1925 and 1940 a pair of Yunnan domestic censor covers, sending from Kokiuchang and Menghwa respectively, applied with oval "Kokiuchang Office / Censor" and "KMT Menghwahsien branch censor" mark.1925及1940年一對雲南省內檢查封，寄自箇舊廠及蒙化，分別鈐“箇舊縣公署檢查員驗訖”及“中國國民黨麗江縣黨部檢查訖”橢圓戳記。
