{"product_id":"united-states-first-day-cover-fdc-1971-450th-anniversary-of-san-juan-puerto-rico-rare-commemorative-postal-cover","title":"United States First Day Cover (FDC) 1971 – 450th Anniversary of San Juan, Puerto Rico | Rare Commemorative Postal Cover","description":"\u003cp data-start=\"323\" data-end=\"680\"\u003eThis authentic \u003cstrong data-start=\"338\" data-end=\"387\"\u003eUnited States First Day Cover (FDC) from 1971\u003c\/strong\u003e commemorates the \u003cstrong data-start=\"405\" data-end=\"467\"\u003e450th anniversary of \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eSan Juan, Puerto Rico\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e, one of the oldest cities in the Americas with a rich cultural and historical legacy. This special commemorative cover celebrates San Juan’s founding and its enduring significance in U.S. and Caribbean history.\u003c\/p\u003e\n\u003cp data-start=\"682\" data-end=\"1031\"\u003eFirst Day Covers are officially canceled on the very first day a stamp is issued, making them highly collectible and historically significant. Covers like this, issued for major anniversaries, are increasingly rare, particularly in excellent condition, and are sought after by collectors of U.S. stamps, historical memorabilia, and postal history.\u003c\/p\u003e\n\u003cp data-start=\"1033\" data-end=\"1062\"\u003eThis 1971 FDC is ideal for:\u003c\/p\u003e\n\u003cul data-start=\"1063\" data-end=\"1235\"\u003e\n\u003cli data-section-id=\"277l03\" data-start=\"1063\" data-end=\"1099\"\u003e\n\u003cp data-start=\"1065\" data-end=\"1099\"\u003eFirst Day Cover (FDC) collectors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"4j8blx\" data-start=\"1100\" data-end=\"1142\"\u003e\n\u003cp data-start=\"1102\" data-end=\"1142\"\u003eU.S. and Puerto Rico stamp collections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"cez1nh\" data-start=\"1143\" data-end=\"1193\"\u003e\n\u003cp data-start=\"1145\" data-end=\"1193\"\u003eHistorical and cultural memorabilia collectors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1df7vrd\" data-start=\"1194\" data-end=\"1235\"\u003e\n\u003cp data-start=\"1196\" data-end=\"1235\"\u003eVintage postal collectibles investors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1237\" data-end=\"1418\"\u003eA rare and historic 1971 First Day Cover honoring the 450th anniversary of San Juan, Puerto Rico—perfect for collectors seeking unique pieces of U.S. and Caribbean postal history.\u003c\/p\u003e","brand":"Coin Hub","offers":[{"title":"Default Title","offer_id":47433525035171,"sku":"12224496","price":19.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0740\/0095\/7603\/files\/United-States-First-Day-Cover-FDC-1971-450th-Anniversary-of-San-Juan-Puerto-Rico-Rare-Commemorative-Postal-Cover-Heritage-Pastime-4706.jpg?v=1776710055","url":"https:\/\/heritagepastime.com\/products\/united-states-first-day-cover-fdc-1971-450th-anniversary-of-san-juan-puerto-rico-rare-commemorative-postal-cover","provider":"Heritage Pastime","version":"1.0","type":"link"}