22c Canal Zone Seal and Jet Plane plate proof
{"id": "ld1-1643399842277-1643399846856-1", "version": "", "unitCode": "NPM", "linkedId": "", "type": "edanmdm", "content": {"descriptiveNonRepeating": {"record_ID": "npm_1984.0418.316", "online_media": {"mediaCount": 1, "media": [{"thumbnail": "https://ids.si.edu/ids/deliveryService?id=NPM-1984_0418_316", "idsId": "NPM-1984_0418_316", "usage": {"access": "CC0"}, "guid": "http://n2t.net/ark:/65665/sy787c67e73-5fdd-4b2c-b9d4-edbaee6b6959", "type": "Images", "content": "https://ids.si.edu/ids/deliveryService?id=NPM-1984_0418_316", "resources": [{"width": 1987, "height": 2247, "label": "High-resolution JPEG", "url": "https://ids.si.edu/ids/download?id=NPM-1984_0418_316.jpg", "dimensions": "1987x2247"}, {"label": "Screen Image", "url": "https://ids.si.edu/ids/download?id=NPM-1984_0418_316_screen"}, {"label": "Thumbnail Image", "url": "https://ids.si.edu/ids/download?id=NPM-1984_0418_316_thumb"}]}]}, "unit_code": "NPM", "title_sort": "22C CANAL ZONE SEAL AND JET PLANE PLATE PROOF", "guid": "http://n2t.net/ark:/65665/hm8c6198739-49d2-4165-bcc6-e8b407f9c36a", "record_link": "https://postalmuseum.si.edu/object/npm_1984.0418.316", "title": {"label": "Title", "content": "22c Canal Zone Seal and Jet Plane plate proof"}, "metadata_usage": {"access": "CC0"}, "data_source": "National Postal Museum"}, "indexedStructured": {"object_type": ["Certified plate proofs"], "online_media_type": ["Images"]}, "freetext": {"setName": [{"label": "See more items in", "content": "National Postal Museum Collection"}], "identifier": [{"label": "Object number", "content": "1984.0418.316"}], "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.173008"}, {"label": "Description", "content": "Denomination: 22c"}, {"label": "Description", "content": "Subject: Canal Zone Seal and Jet Plane Canal Zone Air Mail"}, {"label": "Description", "content": "Color: violet & black"}], "title": [{"label": "Title", "content": "Scott Catalogue Canal Zone C51"}], "physicalDescription": [{"label": "Medium", "content": "paper; ink (violet & black) / engraving"}], "dataSource": [{"label": "Data Source", "content": "National Postal Museum"}], "objectType": [{"label": "Type", "content": "Bureau Plate Proofs"}]}}, "url": "edanmdm:npm_1984.0418.316", "hash": "3065d6847888ca704ce56157e2f9a29871d40624", "docSignature": "d168c4d1162890b69fac88ada6e392c6", "timestamp": 1663786505, "lastTimeUpdated": 1653674039, "title": "22c Canal Zone Seal and Jet Plane plate proof"}