Statements (13)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
spy gadget
|
| gptkbp:associatedWith |
Cold War espionage
|
| gptkbp:can_be_opened |
yes
|
| gptkbp:discoveredBy |
gptkb:New_York_City
|
| https://www.w3.org/2000/01/rdf-schema#label |
CIA hollow coin
|
| gptkbp:material |
metal
|
| gptkbp:notableEvent |
gptkb:1953_hollow_nickel_case
|
| gptkbp:similarTo |
ordinary coin
|
| gptkbp:used_in |
gptkb:Central_Intelligence_Agency
|
| gptkbp:usedFor |
covert communication
concealing microfilm |
| gptkbp:bfsParent |
gptkb:CIA_Technical_Services_Division
|
| gptkbp:bfsLayer |
6
|