A
Acknowledgement of receipt – Adhesive (stamp gum) – Admirals – Aerogram – Aerophilately – Affixing machine – Airmail – Airmail etiquette – Airmail stamp – Alexandria "Blue Boy" Postmaster's Provisional – Arrow block – Asian philately – Astrophilately – Auction (Philatelic) – Asian Pacific Postal Union
B
Balloon mail – Bicycle mail – Bisect – Bogus postal markings – Bogus stamp issue – Booklet – British Guiana 1c magenta – Bulk mail
C
Cachet – Camel mail – Cancellation – Cancelled to order – Caribou mail – Carrier's stamp – Censored mail – Center line block – Certified mail – Charity stamp – Chinese new year stamps – Christmas seal – Christmas stamp – Cigarette tax stamp – Cinderella stamp – Circular delivery mail – Classic stamp – Coil stamp - Coil waste – Color guide – Color trial – Combination cover – Commemorative issue – Commemorative stamp – Concentration camp mail – Consular fee stamp – Control mark – Counterfeit stamps – Courier mail – Cover – Crash cover – Crown Agents Philatelic and Security Printing Archive – Cut square
D
Damaged mail – Dead letter mail – Definitive issue – Definitive series – Delayed mail – Design error – Die proof – Diplomatic pouch mail – Dirigible mail – Disinfected mail – Dog mail – Dogsled mail – Dummy stamp
E
Earliest known use (EKU) – Embossing – Engraver's mark – Engraving – Entire – Envelope – Errors and varieties – Errors, freaks, and oddities (EFO) – Essay – Expert – Europa postage stamp – Expertization – Express company – Express mail
F
Famous stamps – Fancy cancel – Favor cancel – Favor sheet – Fee paid mail – Field post office – First day ceremony – First day cover – First day of issue – First flight cover – First issue – Fiscal cancel – Fiscal issue – Flat plate press – Floor sweepings – Forerunner – Forged stamps – Forwarding agent – Fractional currency – Franchise stamp – Franking privilege – Free frank – Fumigated mail
G
Graphite lined stamp – Grill – Guide line – Guide line pair – Gum – Gutter block – Gutter pair
H
Handstruck stamp – Health stamp – Highway post office – History of philately – Hotel post – Hovercraft mail
I
Illegal stamps – Illustration law – Imitation stamp – Imperforate – Imprint block – Imprinted stamp – Postage stamp ink – Inscription – Inscription block – Institutional collection – Insured mail – International mail – International reply coupon – Inverted Jenny – Inverted Swan – Philatelic investment – Irradiated mail – Interrupted mail
J
James Chalmers – Joint issue – Joint line – Joint line pair
K
L
Label – Late fee stamp – Letter carrier – Letterpress – Letter sheet – Line pair – Linn's Stamp News – List of entities that have issued postage stamps – List of philatelic topics (deliberate self-link) – List of philatelists – List of notable postage stamps – List of stamp catalogues – List of stamp collectors – List of stamp dealers – List of United States airmail stamps – Lithography – Local post – Luminescent issue
M
Mail delivery by animal – Mail fraud – Mail robbery – Mailman – Marcophily – Marginal marking – Marine insurance stamp – Maritime mail – Maximaphily – Maximum Card – Metered mail – Michel catalog – Military mail – Millennium stamp – Miniature sheet – Minipack – Missing Virgin – Mixed franking – Mobile post office – Money order – Mr. Zip
N
Nassau Street (Manhattan) – Naval cover – Naval mail – Navigation and Commerce issue – New issue – Newspaper stamp – Newspaper wrapper – Nicholas F. Seebeck
O
Occupation stamp – Offices abroad – Official mail – Offset printing – Overprint
P
Packet letter – Packet mark – Postage stamp paper – Paquebot – Parcel post – Paste-up pair – Penalty mail – Pen cancel – Penny post – Perfin – Perforation - Perforation gauge – Permit mail – Phantom issue – Philatelic agency – Philatelic cover – Philatelic literature – Philatelic museums – Philately – PHQ Cards – Picture post card – Pigeon mail – Pillar box – Plate block – Plate marking – Plate number coil – Printing plate – Plating – Plebiscite issue – Pneumatic mail – Polar mail and philately – Postage due – Postage stamp booklet – Postage stamp color – Postage stamp reuse – Postage stamp separation – Postal card – Postal convention – Postal history – Postal laws and regulations – Postal marking – Postal route – Postal savings – Postal slogan – Postal stationery – Postal tax – Postal treaty – Postal union – Postcard – Post office – Post Office Cards – Post Office circulars – Post road – Precancel – Presentation album – Presentation book – Price list – Postage stamp printing – Postal relation – Prisoner-of-war mail – Private cancellation – Private carrier – Private overprint – Private post – Stamp proof – Provisional stamp
R
Railway post office – Railway mail – Rare issue – Ration stamp – Receiving mark – Red Cross label – Registered mail – Regummed stamp – Reissue – Reprint – Remainder – Reperforation – Reply card – Reply coupon – Revenue cancellation – Revenue stamp – Rocket mail – Rotary press – Rouletting – Rowland Hill
S
Savings issue – Scott catalog – Se-tenant – Semi-official – Semi-postal – Separation – Ship mail – Siege mail - Siderography – Slogan cancellation – Socked on the nose (SON) – Souvenir card – Souvenir sheet – Space cover – Space mail – Special delivery – Special handling – Specimen stamp – Stamp album – Stamp catalog – Stamp collecting – Stamp condition – Stamp design – Stamp exhibition – Stamp finder – Stamp gum – Stamp hinge – Stamp mounting – Stamp separation – Stanley Gibbons – Steamship issue – Streetcar mail – Strike mail – Study circle – Submarine mail – Surcharge
T
Tax stamp – Telegraph stamp – Test stamp – Tete-beche – Thematic collecting – Tin Can Mail – Topical collecting – Training stamp – Transatlantic mail – Transoceanic mail – Treaty port – Treskilling Yellow – Trinacria stamp – Triptych
U
Unaccepted design – Undeliverable mail – Undesirable issue – Uniform Fourpenny Post – Uniform Penny Post – Universal Postal Union – Untagged – Used abroad
V
Valentine cover – Variety – Varnish bars – Stamp vending machine – View card
W
Want list – War cover – War issue – War mail – War savings issue – War tax stamp – Watermark – Wrapper (philately) – Wreck cover
Y
Yvert catalog
Z
Z Grill – Zeppelin mail – Zip block