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
|