{"product_id":"vintage-national-radio-institute-alumni-association-member-lapel-pin-gold-tone-blue-enamel-screw-back","title":"Vintage National Radio Institute Alumni Association Member Lapel Pin Gold Tone Blue Enamel Screw Back","description":"\u003cp\u003eVintage National Radio Institute Alumni Association Member Lapel Pin Gold Tone Blue Enamel Screw Back\u003cbr\u003e\u003cbr\u003eDescription\u003cbr\u003eSmall vintage National Radio Institute (NRI) Alumni Association member lapel pin featuring a gold-tone finish with blue enamel lettering surrounding a five-point star and \"Member\" banner. The star incorporates the initials \"NRI,\" representing the National Radio Institute, a well-known correspondence school founded in Washington, D.C., in 1914 that trained thousands of students in radio, electronics, and later television servicing.\u003cbr\u003e\u003cbr\u003eThe National Radio Institute became one of America's largest home-study technical schools during the mid-20th century. Alumni pins like this were awarded or sold to graduates and members of the NRI Alumni Association, making them appealing pieces of radio, electronics, amateur radio, and technical education memorabilia.\u003cbr\u003e\u003cbr\u003eThis example retains its original screw-back fastening, a style commonly used on quality lapel pins from the 1930s through the 1960s.\u003cbr\u003e\u003cbr\u003eCondition\u003cbr\u003eGood vintage condition with light age-related wear and patina to the reverse. Enamel remains vibrant, and the screw-back fastener is present. Please review photos for details.\u003cbr\u003e\u003cbr\u003eSize\u003cbr\u003eApproximately 5\/8 inch diameter\u003cbr\u003e\u003cbr\u003eMaterials\u003cbr\u003eGold-tone metal\u003cbr\u003eBlue enamel\u003cbr\u003e\u003cbr\u003eColors\u003cbr\u003eGold\u003cbr\u003eBlue\u003cbr\u003e\u003cbr\u003eEstimated Age\u003cbr\u003eMid-20th century, approximately 1940s-1960s\u003cbr\u003e\u003cbr\u003eDisclaimer: AI-generated images may appear at the end of the photo lineup for styling purposes only and may not exactly represent the item. Photos of the actual item are included. Vintage pieces may show age—please review all photos and details carefully.\u003c\/p\u003e","brand":"National Radio Institute","offers":[{"title":"Default Title","offer_id":46967594680519,"sku":null,"price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/3553\/9143\/files\/7DQguHUM_0.jpg?v=1786156786","url":"https:\/\/aurorastreasurechest.com\/products\/vintage-national-radio-institute-alumni-association-member-lapel-pin-gold-tone-blue-enamel-screw-back","provider":"Aurora's Treasure Chest","version":"1.0","type":"link"}