1900 Tsingtau (24 Feb) to Italy, returned to China, f.w. unovpt. numeral stamp 5pf x2 + Eagle stamp ovpt. China 10pf, tied by Tsingtau
1900 Tsingtau (24 Feb) to Italy, returned to China, f.w. unovpt. numeral stamp 5pf x2 + Eagle stamp ovpt. China 10pf, tied by Tsingtau German PO cds. Returned for mulitple times. Arrived Tsingtau again (11 Oct). Interesting.1900.2.24 青島寄意大利，退回中國，貼未加蓋數目字票5芬尼x2 + 鷹徽圖加蓋China 10芬尼，銷青島德局日戳。中途多次改寄。10.11退回青島。有趣。
China Republic of China
Lot 2030
2,200HKD
Live
1930 (9 Sep) Posted at Graf Zeppelin to Peiping, f.w. German 2m, tied by Graf Zeppelin cds. Transit Moscow (11 Sep), Manchouli (19 Sep).
1930 (9 Sep) Posted at Graf Zeppelin to Peiping, f.w. German 2m, tied by Graf Zeppelin cds. Transit Moscow (11 Sep), Manchouli (19 Sep). Arrived Peiping (22 Sep). Example of USSR airmail service after Sino-Soviet conflict.1930.9.9 齊柏林飛艇投遞，寄北京。貼德國航空票2馬克。9.11經莫斯科，9.19經滿洲里。9.22抵北京。中東路事件結束後，恢復蘇聯航空郵運之例子。
