{"product_id":"1964-doctors-mayo-5-rochester-mn-first-day-cover-1","title":"1964 Doctors Mayo 5¢ Rochester, MN First Day Cover","description":"\u003cp\u003eThis Art Craft First Day Cover features the 5¢ Doctors Mayo commemorative stamp, postmarked on the first day of issue, September 11, 1964, in Rochester, Minnesota. The cachet displays portraits of Dr. Charles H. Mayo (1865-1939) and Dr. William J. Mayo (1861-1939), along with the Mayo Clinic centennial emblem.\u003c\/p\u003e\u003cp\u003eThe Mayo brothers transformed American medicine by establishing the Mayo Clinic in Rochester, pioneering the concept of integrated, multi-specialty group practice that combined patient care, research, and education under one roof. Their model became the standard for modern medical centers worldwide.\u003c\/p\u003e\u003cp\u003eA notable detail is the matching artwork between the cachet and the stamp itself, both depicting the sculpted busts of the two physicians; the cachet also includes their famous quote, “They revered the truth and sought to know it.”\u003c\/p\u003e\u003cp\u003eThis clean, well-centered cover makes an excellent addition for collectors of medical history, famous Americans, or Art Craft cachets, offering strong display value and solid philatelic provenance.\u003c\/p\u003e","brand":"Maple Springs","offers":[{"title":"Default Title","offer_id":51388343320740,"sku":null,"price":4.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0580\/4713\/5908\/files\/20260623092735.jpg?v=1782235535","url":"https:\/\/maplespringsllc.com\/products\/1964-doctors-mayo-5-rochester-mn-first-day-cover-1","provider":"Maple Springs","version":"1.0","type":"link"}