1893年7月寄上海的1892年上海工部双龙图弍分邮资片(PC6), 销蓝黑色福州书信馆双语邮戳, 片的左下端盖有深蓝黑色清晰7月8日上海书信馆到达日戳. 是福州书信馆双语邮戳较晚期使用例, 保存良好.Foochow The Shanghai Agency 1893 (July) Shanghai 1892 Double Dragon postal stationery card (PC6) to Shanghai cancelled by a good strike of the bilingual "<H>local post agency/foochow" postmark in bluish with a superb strike of Shanghai Local Post c.d.s. (8.7) in dark blue. Fine and late use of the bilingual postmark. Photo