3c Pan American Union plate proof
{"id": "ld1-1643399842277-1643399844069-1", "version": "", "unitCode": "NPM", "linkedId": "", "type": "edanmdm", "content": {"descriptiveNonRepeating": {"record_ID": "npm_0.242263.21738.1", "online_media": {"mediaCount": 1, "media": [{"thumbnail": "https://ids.si.edu/ids/deliveryService?id=NPM-0_242263_21738_1-2", "idsId": "NPM-0_242263_21738_1-2", "usage": {"access": "CC0"}, "guid": "http://n2t.net/ark:/65665/sy7476b01e4-04b0-4f77-887f-72e5cf05f74c", "type": "Images", "content": "https://ids.si.edu/ids/deliveryService?id=NPM-0_242263_21738_1-2", "resources": [{"width": 2578, "height": 2247, "label": "High-resolution JPEG", "url": "https://ids.si.edu/ids/download?id=NPM-0_242263_21738_1-2.jpg", "dimensions": "2578x2247"}, {"label": "Screen Image", "url": "https://ids.si.edu/ids/download?id=NPM-0_242263_21738_1-2_screen"}, {"label": "Thumbnail Image", "url": "https://ids.si.edu/ids/download?id=NPM-0_242263_21738_1-2_thumb"}]}]}, "unit_code": "NPM", "title_sort": "3C PAN AMERICAN UNION PLATE PROOF", "guid": "http://n2t.net/ark:/65665/hm8875fc106-5657-4333-b0d2-e13c193edb96", "record_link": "https://postalmuseum.si.edu/object/npm_0.242263.21738.1", "title": {"label": "Title", "content": "3c Pan American Union plate proof"}, "metadata_usage": {"access": "CC0"}, "data_source": "National Postal Museum"}, "indexedStructured": {"date": ["1940s"], "exhibition": [{"building": "NPM"}], "geoLocation": [{"Other": {"type": "Place", "content": "United States of America"}}], "object_type": ["Certified plate proofs"], "name": ["Bureau of Engraving and Printing"], "onPhysicalExhibit": ["Yes"], "topic": ["National Stamp Collection"], "place": ["United States of America"], "online_media_type": ["Images"]}, "freetext": {"setName": [{"label": "See more items in", "content": "National Postal Museum Collection"}, {"label": "On View", "content": "Currently on exhibit at the National Postal Museum"}], "date": [{"label": "Date", "content": "March 8, 1940"}], "identifier": [{"label": "Object number", "content": "0.242263.21738.1"}], "notes": [{"label": "Description", "content": "Certified plate proofs are the last printed proof of the plate before printing the stamps at the Bureau of Engraving and Printing. These plate proofs are each unique, with the approval signatures and date. For postal scholars these plates provide important production information in the plate margin inscriptions, including guidelines, plate numbers, and initials of the siderographer, or person who created the plate from a transfer roll."}, {"label": "Description", "content": "This plate proof has \"wrong color\" written on it, and has an attached die proof in the approved color."}, {"label": "Description", "content": "Plate No.: 22562"}, {"label": "Description", "content": "Denomination: 3c"}, {"label": "Description", "content": "Subject: Pan American Union"}, {"label": "Description", "content": "Color: purple"}], "name": [{"label": "Printer", "content": "Bureau of Engraving and Printing"}], "topic": [{"label": "Topic", "content": "National Stamp Collection"}], "place": [{"label": "Place", "content": "United States of America"}], "title": [{"label": "Title", "content": "Scott Catalogue USA 895"}], "physicalDescription": [{"label": "Medium", "content": "paper; ink (purple) / engraving"}, {"label": "Dimensions", "content": "Height x Width: 18 7/8 x 21 5/8 in. (47.94 x 54.93 cm)"}], "dataSource": [{"label": "Data Source", "content": "National Postal Museum"}], "objectType": [{"label": "Type", "content": "Bureau Plate Proofs"}]}}, "url": "edanmdm:npm_0.242263.21738.1", "hash": "54826e2b60632679c27693a8da27d58dea32a8a8", "docSignature": "1a5e09bd724189c49dafdca25d6d91f9", "timestamp": 1663786505, "lastTimeUpdated": 1653674037, "title": "3c Pan American Union plate proof"}