{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.postage-stamp","code":"thing-q37930","url":"https://ver.cy/models/thing/q37930/","name":"postage stamp","alternateNames":["maximum card","definitive stamp","pair of seals","stamp court","plated seal","Dokdo stamp","postage stamp pair","Encased postage stamp","Japanese etched stamps","coffee stamp","obligatory stamp","invertebrates in postage stamps"],"kind":"thing","status":"published","version":"0.2.0-wave.2","language":"en","classifiers":{"family":"Thing Registry","category":"Information and virtual systems","entryKind":"thing","plane":"INF","domain":["INF.MED"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"A small piece of paper, usually adhesive, issued by a postal authority and affixed to mail to show payment of postage, in forms such as definitive and commemorative stamps, with related philatelic items such as maximum cards and plated varieties; postage stamps have been issued since 1840, are collected and studied in philately, catalogued with values, and occasionally carry designs that are politically contested.","purpose":"Let an agent explain postage stamps and their kinds, support collecting and identifying stamps with catalogues, describe stamp production and postal use, and present contested stamp issues neutrally.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Postal payment","Denomination","Collectible","Catalogued"],"structure":{"bundles":[{"id":"understand","name":"Understand","description":"What stamps are.","layers":[{"id":"kinds","name":"Kinds","description":"Kinds of stamp.","findings":[{"id":"kinds-finding","name":"Kinds","description":"Kinds.","questions":[{"text":"How do definitive, commemorative and special stamps differ, and what are maximum cards and plated varieties?","kind":"definition"},{"text":"Which entry fits a specific issue?","kind":"action"}]}]},{"id":"production","name":"Production","description":"Design and printing.","findings":[{"id":"production-finding","name":"Production","description":"Production.","questions":[{"text":"How are stamps designed, printed and perforated, and what security features do they carry?","kind":"provenance"},{"text":"Which entry fits printing?","kind":"action"}]}]}]},{"id":"collect","name":"Collect","description":"Philately.","layers":[{"id":"identify","name":"Identify","description":"Identifying a stamp.","findings":[{"id":"identify-finding","name":"Identify","description":"Identification.","questions":[{"text":"How can this stamp be identified and valued using catalogues, watermarks and perforation measurements?","kind":"action"},{"text":"How are forgeries detected?","kind":"provenance"}]}]},{"id":"care","name":"Care","description":"Storing and handling.","findings":[{"id":"care-finding","name":"Care","description":"Care.","questions":[{"text":"How should stamps be stored, handled and mounted to preserve them?","kind":"action"},{"text":"Which philatelic societies exist?","kind":"provenance"}]}]}]},{"id":"use","name":"Use","description":"Stamps and post.","layers":[{"id":"postal","name":"Postal","description":"Postal use.","findings":[{"id":"postal-finding","name":"Postal","description":"Postal use.","questions":[{"text":"How are stamps used and validated in postal systems today, and how are they changing with digital postage?","kind":"provenance"},{"text":"Which entry fits postal services?","kind":"action"}]}]},{"id":"contested","name":"Contested","description":"Contested designs.","findings":[{"id":"contested-finding","name":"Contested","description":"Contested.","questions":[{"text":"Which stamp issues have been politically contested, such as those depicting disputed territories, and what are the attributed positions?","kind":"provenance"},{"text":"Is the presentation neutral?","kind":"boundary"}]}]}]},{"id":"learn","name":"Learn","description":"History and teaching.","layers":[{"id":"history","name":"History","description":"History of stamps.","findings":[{"id":"history-finding","name":"History","description":"History.","questions":[{"text":"How did postage stamps develop from the Penny Black onward?","kind":"provenance"},{"text":"Which references are standard?","kind":"provenance"}]}]},{"id":"teach","name":"Teach","description":"Teaching with stamps.","findings":[{"id":"teach-finding","name":"Teach","description":"Teaching.","questions":[{"text":"How can stamps be used to teach history, geography and design?","kind":"action"},{"text":"Which misconceptions arise?","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Identify stamps by issuing authority, date, design and catalogued variety.","Describe the condition and postal history of a stamp in a collection it is asked to catalogue."],"mustNot":["Sell, describe or certify a forged or repaired stamp as genuine.","Reproduce stamps in a way that could pass as valid postage.","Overstate rarity or value to influence a sale.","Present contested territorial or political imagery on stamps from one side only."],"requiresHuman":["Authenticating a valuable stamp or signing an expert certificate.","Buying or selling stamps on someone's behalf."]},"ethics":{"considerations":["Forgery cheats collectors and defrauds postal services.","Stamps carry state symbols and claims that some communities contest."],"affectedParties":["Collectors and buyers","Postal authorities","Heirs of collections"]},"owners":{"steward":"The postal authority that issues it; once used or sold, the person who holds it.","roles":[],"masterSystems":["Postal authority issue records"]},"relations":[{"target":"Q110163439","type":"parent","note":"registry parent class"},{"target":"Q11060274","type":"parent","note":"registry parent class"},{"target":"Q141235734","type":"parent","note":"registry parent class"},{"target":"Q2342494","type":"parent","note":"registry parent class"},{"target":"Q286583","type":"parent","note":"registry parent class"},{"target":"Q352618","type":"parent","note":"registry parent class"},{"target":"print","type":"related","note":"category"},{"target":"adhesive stamp","type":"related","note":"category"},{"target":"motif","type":"related","note":"stamp designs"},{"target":"heritage site","type":"related","note":"a common stamp subject"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.postage-stamp","Wikidata: Q37930 (https://www.wikidata.org/wiki/Q37930)"]},"properties":{"applicability":"not-applicable","items":[]},"recognition":{"applicability":"optional","items":["Issued by a postal authority","Denominated and adhesive","Revenue and Cinderella stamps serve other purposes","A small printed paper label with perforations and a face value."]},"capabilities":{"applicability":"required","items":["explain kinds of stamp","support collecting and identification","describe production and use","present contested issues neutrally"]},"hazards":{"applicability":"required","items":["Forgeries","Misidentification of varieties","Partisan presentation of contested designs"]},"interfaces":{"applicability":"required","items":["Universal Postal Union rules on stamp issues","National postal regulations","Philatelic cataloguing conventions"]},"context":{"applicability":"required","items":["Proof of postage and collectible items.","definitive stamps","commemorative stamps","airmail and special service stamps","philatelic items such as maximum cards","errors and varieties"]}},"sources":[{"title":"Wikidata item Q37930: postage stamp","url":"https://www.wikidata.org/wiki/Q37930","note":"identity and sense of the item"},{"title":"Wikipedia: Postage stamp","url":"https://en.wikipedia.org/wiki/Postage_stamp","note":"general description of the item"}],"openQuestions":["Should each issuing authority be a separate entry?","How should catalogues be linked?","How should contested issues be attributed?"],"resources":{"spec":"/models/things/publications/thing-q37930/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q37930/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T00:04:30Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"not-applicable","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-06T19:51:59+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass","interaction.properties":"Plane INF: no invented physical properties."},"score":1.0}}