Empress Dowager Birthday Commemorative Surcharge –
慈禧壽辰加蓋改値郵票
Expertizing Service –
鑑定服務
Express Mail Service (EMS) –
國際快捷郵件
Fédération Internationale de Philatélie (FIP) –
國際集郵聯合會
First Day Cover (FDC) –
首日封
First Flight Cover (FFC) –
首航封
First Issue Postcard –
大清一次片
Fourth Issue Postcard –
大清四次片
horizontal strip of X –
X枚橫條連
Inspector General of Posts –
總郵政司
Inspectorate General of Posts –
總郵政司公署
inverted cancellation –
倒蓋
Last Day Cover (LDC) –
尾日封
Lithographed Coiling Dragon –
石印蟠龍
marginal inscription –
版銘