Praegu kuvatakse: Ühendriigid - Siseministeeriumi "pardimargid" (1970 - 1979) - 1 margid.
1973
Department of the Interior Duck Stamps - Steller's Eiders
1. juuli WM: mitte ükski Disain: Ronald C. Sharpe perforatsioon: 11¼ x 11
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