Statements (18)
Predicate | Object |
---|---|
gptkbp:instanceOf |
Postage stamp
|
gptkbp:category |
gptkb:post_office
Postal history |
gptkbp:ceasedToBeRequiredIn |
1975
|
gptkbp:distinctFrom |
Regular postage stamps
|
gptkbp:feature |
Airmail inscriptions
Airplane imagery |
https://www.w3.org/2000/01/rdf-schema#label |
Airmail stamps
|
gptkbp:introducedIn |
1911
|
gptkbp:issuedBy |
gptkb:Italy
gptkb:United_States |
gptkbp:notableCollection |
Philatelists
|
gptkbp:notableExample |
gptkb:Inverted_Jenny
|
gptkbp:replacedBy |
Universal postage stamps
|
gptkbp:requires |
Airmail delivery
|
gptkbp:usedFor |
Airmail service
|
gptkbp:bfsParent |
gptkb:Aerophilately
|
gptkbp:bfsLayer |
6
|