{"product_id":"1983-edwin-armstrong-first-day-cover-frequency-modulation-pioneer","title":"1983 Edwin Armstrong – First Day Cover | Frequency Modulation Pioneer","description":"\u003cp dir=\"auto\"\u003eThis 1983 First Day Cover honors Edwin Howard Armstrong, the brilliant inventor of Frequency Modulation (FM) radio. Featuring a striking orange 20¢ commemorative stamp with his portrait alongside radio equipment, paired with a patriotic cachet of the American flag and U.S. Capitol, it appeals to collectors of science, technology, and American innovation history.\u003c\/p\u003e\n\u003ch2 dir=\"auto\"\u003e🧾 Key Points:\u003c\/h2\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry:\u003c\/strong\u003e United States of America\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDate of Issue:\u003c\/strong\u003e September 21, 1983\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCity of Cancellation:\u003c\/strong\u003e Washington, DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStamp Value:\u003c\/strong\u003e 20¢\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTheme:\u003c\/strong\u003e Edwin Armstrong | Frequency Modulation (FM Radio)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHistorical or Cultural Relevance:\u003c\/strong\u003e Recognizes Armstrong’s groundbreaking contributions to radio technology that revolutionized broadcasting and brought high-fidelity sound to millions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEstimated Market Value:\u003c\/strong\u003e $5–$15 USD, depending on condition and demand\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 dir=\"auto\"\u003e🖼️ Product Overview:\u003c\/h2\u003e\n\u003cp dir=\"auto\"\u003eThis First Day Cover showcases the official 20¢ Edwin Armstrong stamp, which depicts the inventor’s portrait against an orange background with early FM radio vacuum tubes and equipment. The left side features a bold black cachet combining a waving American flag with the U.S. Capitol dome, symbolizing national pride in American scientific achievement.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eDesign Elements:\u003c\/h3\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eSingle 20¢ commemorative stamp with orange background, portrait of Edwin Armstrong, and illustration of FM radio components\u003c\/li\u003e\n\u003cli\u003eProminent circular black postmark: “WASHINGTON, DC SEP 21 1983 20066”\u003c\/li\u003e\n\u003cli\u003eClassic black cachet showing the American flag waving in front of the U.S. Capitol building\u003c\/li\u003e\n\u003cli\u003e“FIRST DAY OF ISSUE” printed in bold black lettering on the right\u003c\/li\u003e\n\u003cli\u003e“UNITED STATES of AMERICA FIRST DAY OF ISSUE” text at the bottom left\u003c\/li\u003e\n\u003cli\u003eStamp text: “USA 20c”, “FREQUENCY MODULATION”, and “Edwin Armstrong”\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"auto\"\u003eAppeal to Collectors:\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003ePerfect for collectors interested in inventors, radio history, science and technology on stamps, and patriotic American themes.\u003c\/p\u003e\n\u003ch2 dir=\"auto\"\u003e📚 Historical Context:\u003c\/h2\u003e\n\u003cp dir=\"auto\"\u003eIssued on September 21, 1983, in Washington, D.C., this stamp commemorates Edwin Howard Armstrong (1890–1954), the electrical engineer and inventor who developed the FM radio system. His work on frequency modulation dramatically improved sound quality over AM radio and laid the foundation for modern FM broadcasting. The U.S. Postal Service honored Armstrong as part of its recognition of great American inventors and scientists who shaped the 20th century.\u003c\/p\u003e\n\u003ch2 dir=\"auto\"\u003e💎 Collectible Value:\u003c\/h2\u003e\n\u003ch3 dir=\"auto\"\u003eTypical Market Value or Rarity:\u003c\/h3\u003e\n\u003cp dir=\"auto\"\u003eA clean, well-preserved 1983 First Day Cover with sharp cancellation and attractive cachet design. These inventor-themed covers are popular but generally available, typically valued in the $5–$15 range for collectors.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eWho Would Be Interested:\u003c\/h3\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eCollectors of U.S. science and invention commemorative stamps\u003c\/li\u003e\n\u003cli\u003eRadio and broadcasting history enthusiasts\u003c\/li\u003e\n\u003cli\u003ePhilatelists focusing on technology pioneers and innovators\u003c\/li\u003e\n\u003cli\u003eThose building collections around American inventors or patriotic cachets\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 dir=\"auto\"\u003e✨ Unexpected or Notable Details:\u003c\/h2\u003e\n\u003cp dir=\"auto\"\u003eThe cachet cleverly pairs the American flag and Capitol dome with Armstrong’s stamp, visually linking personal invention to national pride. The stamp itself includes a detailed illustration of early FM radio vacuum tubes and circuitry next to Armstrong’s portrait. The Washington, D.C. cancellation on the anniversary date adds official prestige to this tribute to one of radio’s most important figures.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eAdd this rare 1983 Edwin Armstrong First Day Cover to your collection today!\u003c\/strong\u003e\u003c\/p\u003e","brand":"Maple Springs","offers":[{"title":"Default Title","offer_id":51294290772132,"sku":null,"price":4.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0580\/4713\/5908\/files\/05092025_069.jpg?v=1775154015","url":"https:\/\/fdc-vault.com\/products\/1983-edwin-armstrong-first-day-cover-frequency-modulation-pioneer","provider":"Maple Springs - FDC Vault","version":"1.0","type":"link"}