厦门书信馆中英文双圈戳销于上海工部票一组: 戳色包括有紫色,蓝色, 蓝黑色; 亦有1888年啡色二十文盖于四十文票, 及罕见的黄色1889年二十文盖于一百文票; 双龙票有低值至一角票, 半分盖于五分票等, 品相中上, 请预覧. AmoyAgency of the Shanghai Local PostPostmarks - Bilingual: A selection of Shanghai stamps bearing the double circle postmark in either violet, blue or blue-black and includes 1888 20cash on 40 cash brown and the scarce 1889 20cash on 100 cash yellow and Double Dragon values to 10c. (3) and pair of ½c. on 5c. vermilion. A good group. (23)