{"product_id":"1971-jack-knight-11-airmail-spokane-wa-first-day-cover","title":"1971 Jack Knight 11¢ Airmail Spokane, WA First Day Cover","description":"\u003cp\u003eThis Art Craft cacheted First Day Cover features the 11¢ airmail booklet pane stamp issued May 7, 1971, and postmarked in Spokane, Washington on the official first day of issue.\u003c\/p\u003e\u003cp\u003eThe stamp and cachet commemorate Jack Knight, legendary airmail pilot known as “the ace of the air mail service,” and the historic first coast-to-coast airway established in 1921. The artwork depicts Knight’s portrait, a 1920s biplane, and the transcontinental route connecting San Francisco, Chicago, and New York.\u003c\/p\u003e\u003cp\u003eA notable detail is the vertical pair of 11¢ stamps shown on the right with the “FIRST DAY OF ISSUE” inscription and the contemporary “Use Zip Code” slogan labels, making this a colorful and informative airmail FDC.\u003c\/p\u003e\u003cp\u003eA fine addition to any airmail, aviation, or U.S. postal history collection, this cover displays fresh colors and a clear Spokane postmark.\u003c\/p\u003e","brand":"Maple Springs","offers":[{"title":"Default Title","offer_id":51392034603172,"sku":null,"price":5.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0580\/4713\/5908\/files\/20260629141047.jpg?v=1782775864","url":"https:\/\/maplespringsllc.com\/products\/1971-jack-knight-11-airmail-spokane-wa-first-day-cover","provider":"Maple Springs","version":"1.0","type":"link"}