1918 Kalgan (31 May) to USA. WWI censor registered cover, f.w. War Charity 3k + Coat of Arms surch Chinese currency 1c + 2c + 3c + 4c +
1918 Kalgan (31 May) to USA. WWI censor registered cover, f.w. War Charity 3k + Coat of Arms surch Chinese currency 1c + 2c + 3c + 4c + 10c, tied by scarce Kalgan Russian PO T&S type 5 / Casey type 6 cds, alongside with registered label. Transit Yokohama. Censored and re-sealed. Arrived New Jersey (13 Aug). Kalgan Russian PO stocked ordinary Russian stamps only. Until 1917, it was supplied with surch Chinese currency stamps. 2012 (Apr) David Feldman, lot 20048. 1918.5.31 張家口寄美國。一戰檢查掛號封,貼戰爭賑濟票3戈比 + 軍徽圖加蓋中國幣值1分 + 2分 + 3分 + 4分 + 10分,銷稀罕之張家口俄局T&S 5型 / Casey 6型日戳,旁貼掛號標籤。經橫濱。檢查並重封。8.13抵新澤西。張家口俄局只提供普通俄國票,直至1917年才開始提供加蓋中國幣值票。