Statements (10)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:person
|
| gptkbp:founded |
gptkb:Numismatic_Guaranty_Corporation
|
| gptkbp:knownFor |
coin grading
coin authentication |
| gptkbp:nationality |
gptkb:American
|
| gptkbp:occupation |
gptkb:metallurgist
gptkb:scientist |
| gptkbp:bfsParent |
gptkb:All-Clad
|
| gptkbp:bfsLayer |
6
|
| https://www.w3.org/2000/01/rdf-schema#label |
John Ulam
|