3c Pony Express plate proof
{"id": "ld1-1643399842277-1643399844071-0", "version": "", "unitCode": "NPM", "linkedId": "", "type": "edanmdm", "content": {"descriptiveNonRepeating": {"record_ID": "npm_0.242263.21749.1", "online_media": {"mediaCount": 1, "media": [{"thumbnail": "https://ids.si.edu/ids/deliveryService?id=NPM-0_242263_21749_1-2", "idsId": "NPM-0_242263_21749_1-2", "usage": {"access": "CC0"}, "guid": "http://n2t.net/ark:/65665/sy7b1a9077a-a665-4f87-ad15-de1299f0c76a", "type": "Images", "content": "https://ids.si.edu/ids/deliveryService?id=NPM-0_242263_21749_1-2", "resources": [{"width": 1917, "height": 2247, "label": "High-resolution JPEG", "url": "https://ids.si.edu/ids/download?id=NPM-0_242263_21749_1-2.jpg", "dimensions": "1917x2247"}, {"label": "Screen Image", "url": "https://ids.si.edu/ids/download?id=NPM-0_242263_21749_1-2_screen"}, {"label": "Thumbnail Image", "url": "https://ids.si.edu/ids/download?id=NPM-0_242263_21749_1-2_thumb"}]}]}, "unit_code": "NPM", "title_sort": "3C PONY EXPRESS PLATE PROOF", "guid": "http://n2t.net/ark:/65665/hm88fa7d9e6-b68d-486e-8f87-7bd5b3ee7173", "record_link": "https://postalmuseum.si.edu/object/npm_0.242263.21749.1", "title": {"label": "Title", "content": "3c Pony Express 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 14, 1940"}], "identifier": [{"label": "Object number", "content": "0.242263.21749.1"}], "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.: 22579"}, {"label": "Description", "content": "Denomination: 3c"}, {"label": "Description", "content": "Subject: Pony Express Rider"}, {"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 894"}], "physicalDescription": [{"label": "Medium", "content": "paper; ink (purple) / engraving"}, {"label": "Dimensions", "content": "Height x Width: 22 x 18 3/4 in. (55.88 x 47.63 cm)"}], "dataSource": [{"label": "Data Source", "content": "National Postal Museum"}], "objectType": [{"label": "Type", "content": "Bureau Plate Proofs"}]}}, "url": "edanmdm:npm_0.242263.21749.1", "hash": "67c290b7bb4ed98945f0301d3667610856126561", "docSignature": "fbce24b648e46500bc6cf1a1dc3c4bce", "timestamp": 1663786505, "lastTimeUpdated": 1653674037, "title": "3c Pony Express plate proof"}