THE 2021 SUMMER SALE - SALE 336 Day 3

1897 (Jul 20) Chefoo to Germany Red Revenue registered combination cover,
bearing on front at upper right a red boxed Type II Chefoo Customs Mail Matter mark, f.w. Dowager surch issues x 5 and Red Revenue 1c x 2 on reverse, in total rate of 10c (matching the international registered rate), while on front f.w. French ovpt. Chine 25c x 2, covered the Chefoo Customs Mail Matter mark. Former stamps tied by Chefoo Dollar cds., along with Shanghai Dollar cds. as transit and Hamburg arrival. Latter stamps tied by Shanghai French PO cds., along with two R marks. The only cover in recorded bearing Customs Mail Matter Mark and f.w. Red Revenue and Dowager surcharged Issues. Unique!
1897年7月20日煙台寄德國紅印花掛號混貼封，正面右上角盖有红色II型烟台海关公文戳，背面貼慈壽加蓋票5枚及紅印花當1分2枚，合郵資10分（符合国际挂号附加邮资）。正面則貼法國客郵25生丁2枚，覆盖部分海关公文戳。前者銷煙台大圓戳，旁有上海大圓中轉戳及德國汉堡到達戳。後者銷上海法國客郵局日戳，旁有2個掛號R章。此为目前所见唯一一枚盖有海关公文戳并混贴慈寿和红印花票的国际挂号封，存世孤品。