Spring 2025 Sales Special Features: Urga pen-cancellation covers to Peking | 春拍拍品介紹：以筆劃銷之庫倫寄北京封
1878.11.19 （俄曆11.17）庫倫寄北京。東富有紅條封，貼軍徽圖8戈比，以筆劃銷。12.14…
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Spring 2025 Sales Special Features: 1955 1st Anniv of Government of Ngo Dinh Diem Unissued Handpainted | 春拍拍品介紹：吳廷琰政府一週年未發行之彩色設計印樣
1955年吳廷琰政府一週年未發行之彩色設計印樣，繪有巨黿，帶雕刻師Rene Cottet簽署…
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Spring 2025 Sales Special Features: Tientsin Russian PO T&S type 3 oval d.s. | 春拍拍品介紹：天津俄局T&S 3型橢圓形日戳
1885.2.7天津寄德國，貼軍徽圖7戈比，銷稀罕之天津俄局T&S 3型橢圓形日戳。3.5經恰克….