{"product_id":"1976-commercial-aviation-13-chicago-il-first-day-cover-3","title":"1976 Commercial Aviation 13¢ Chicago, IL First Day Cover","description":"\u003cp\u003eThis 1976 Commercial Aviation 13¢ First Day Cover features the U.S. stamp issued March 19, 1976, in Chicago, Illinois, marking the 50th anniversary of commercial aviation (1926-1976). The cachet displays a striking globe encircled by envelopes with the bold \"FIRST DAY COVER\" legend.\u003c\/p\u003e\u003cp\u003eThe stamp commemorates half a century of scheduled airmail and passenger service that began with the Ford Trimotor and other early biplanes shown on the design. Chicago's selection as the first-day city reflects its historic role as a major aviation and mail hub.\u003c\/p\u003e\u003cp\u003eA notable detail is the dual biplane illustration highlighting both single- and twin-engine mail planes used in the pioneering years of commercial flight. The cover bears the standard \"FIRST DAY OF ISSUE\" handstamp and remains in clean, collectible condition.\u003c\/p\u003e\u003cp\u003eA fine addition for collectors of aviation topicals, transportation themes, or U.S. postal history from the 1970s.\u003c\/p\u003e","brand":"Maple Springs","offers":[{"title":"Default Title","offer_id":51394954461348,"sku":null,"price":5.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0580\/4713\/5908\/files\/20260702113134.jpg?v=1783044504","url":"https:\/\/fdc-vault.com\/products\/1976-commercial-aviation-13-chicago-il-first-day-cover-3","provider":"Maple Springs - FDC Vault","version":"1.0","type":"link"}