Statements (8)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:company
|
| gptkbp:country |
gptkb:United_States
|
| gptkbp:focus |
stamp collecting
|
| gptkbp:industry |
gptkb:post_office
|
| gptkbp:service |
stamp authentication
|
| gptkbp:bfsParent |
gptkb:NPG
|
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
National Philatelic Group
|