Browse Items (2 total) Browse All Browse by Tag Search Items Creator is exactly "United States. Post Office Department" Sort by: TitleCreatorIdentifierDate Added Official first day cover commemorating the 150th anniversary of Alabama statehood. United States. Post Office Department 1969-08-02 Official first day cover commemorating the Apollo 11 moon landing. United States. Post Office Department 1969 Output Formats atom, csv, dc-rdf, dcmes-xml, json, omeka-xml, rss2