Category:Flags on stamps by organization
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Subcategories
This category has the following 19 subcategories, out of 19 total.
C
D
E
- Flag of European Union on stamps (22 F)
G
N
- Flags of NATO on stamps (4 F)
O
- Olympic flag on stamps (13 F)
R
- Flags of Red Cross on stamps (20 F)