Autumn 2025 Sales Special Features: Mongolia / Urga” Hellrigl type 1 cds with outer rim | 秋拍拍品介紹：蒙古庫倫”Hellrigl 1型日戳帶外圈
1893.3.19 漢城寄英國，貼小龍3分銀合國內郵資，銷珍罕之漢城海關D型紫色日戳…
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Autumn 2025 Sales Special Features: Mongolia / Urga” Hellrigl type 1 cds with outer rim | 秋拍拍品介紹：蒙古庫倫”Hellrigl 1型日戳帶外圈
1909.1.14 庫倫中國郵局首日封寄張家口。紅條封，背貼蟠龍4分雙連，合雙倍…
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Autumn 2025 Sales Special Features: The earliest Large Dargon cover charged with new 6ca rate to USA | 秋拍拍品介紹：美國6分銀新郵資之最早大龍封
1884.11.4 上海寄美國，貼厚紙大龍3分銀x2，銷上海中文戳記，背鈐上海海…