$1 Pan American Clipper Landing plate proof
{"id": "ld1-1643399842277-1643399845721-1", "version": "", "unitCode": "NPM", "linkedId": "", "type": "edanmdm", "content": {"descriptiveNonRepeating": {"record_ID": "npm_0.309126.300", "online_media": {"mediaCount": 1, "media": [{"thumbnail": "https://ids.si.edu/ids/deliveryService?id=NPM-0_309126_300", "idsId": "NPM-0_309126_300", "usage": {"access": "CC0"}, "guid": "http://n2t.net/ark:/65665/sy7d6f9ed43-8460-4cfe-a7e7-f4f8ef8bee87", "type": "Images", "content": "https://ids.si.edu/ids/deliveryService?id=NPM-0_309126_300", "resources": [{"width": 1994, "height": 2247, "label": "High-resolution JPEG", "url": "https://ids.si.edu/ids/download?id=NPM-0_309126_300.jpg", "dimensions": "1994x2247"}, {"label": "Screen Image", "url": "https://ids.si.edu/ids/download?id=NPM-0_309126_300_screen"}, {"label": "Thumbnail Image", "url": "https://ids.si.edu/ids/download?id=NPM-0_309126_300_thumb"}]}]}, "unit_code": "NPM", "title_sort": "$1 PAN AMERICAN CLIPPER LANDING PLATE PROOF", "guid": "http://n2t.net/ark:/65665/hm884a170c1-dcf9-47e3-ae1f-af5ac31935cc", "record_link": "https://postalmuseum.si.edu/object/npm_0.309126.300", "title": {"label": "Title", "content": "$1 Pan American Clipper Landing plate proof"}, "metadata_usage": {"access": "CC0"}, "data_source": "National Postal Museum"}, "indexedStructured": {"date": ["1930s"], "geoLocation": [{"Other": {"type": "Place", "content": "United States of America"}}], "object_type": ["Certified plate proofs"], "name": ["Bureau of Engraving and Printing"], "place": ["United States of America"], "online_media_type": ["Images"]}, "freetext": {"setName": [{"label": "See more items in", "content": "National Postal Museum Collection"}], "date": [{"label": "Date", "content": "April 25, 1939"}], "identifier": [{"label": "Object number", "content": "0.309126.300"}], "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": "Plate No.140997"}, {"label": "Description", "content": "Denomination: $1"}, {"label": "Description", "content": "Subject: Pan American Clipper Landing, Canal Zone Air Mail Issue"}, {"label": "Description", "content": "Color: green"}], "name": [{"label": "Printer", "content": "Bureau of Engraving and Printing"}], "place": [{"label": "Place", "content": "United States of America"}], "title": [{"label": "Title", "content": "Scott Catalogue Canal Zone C20"}], "physicalDescription": [{"label": "Medium", "content": "paper; ink (green) / engraving"}], "dataSource": [{"label": "Data Source", "content": "National Postal Museum"}], "objectType": [{"label": "Type", "content": "Bureau Plate Proofs"}]}}, "url": "edanmdm:npm_0.309126.300", "hash": "631dcb9cae5a7cbd2fbf13e9a97a7b3b0e63f788", "docSignature": "e037d9758dbcb494b929d18327f49840", "timestamp": 1663786505, "lastTimeUpdated": 1653674038, "title": "$1 Pan American Clipper Landing plate proof"}