{"product_id":"1974-our-mineral-heritage-10-lincoln-ne-first-day-cover-1","title":"1974 Our Mineral Heritage 10¢ Lincoln, NE First Day Cover","description":"\u003cp\u003eThis official Art Craft first day cover features the 1974 10¢ Our Mineral Heritage stamp issued June 13 in Lincoln, Nebraska. The cachet was produced for the American Federation of Mineralogical Societies and depicts four classic American mineral specimens—tourmaline, rhodochrosite, petrified wood, and amethyst—arranged around a stylized globe.\u003c\/p\u003e\u003cp\u003eThe stamp and cachet celebrate the nation’s rich mineral resources and the scientific and economic importance of mining and mineralogy in the 1970s. The issue coincided with growing public interest in earth sciences and the environment, highlighting specimens that represent both beauty and industrial utility.\u003c\/p\u003e\u003cp\u003eA notable detail is the diamond-shaped stamp design that mirrors the cachet artwork, creating a unified visual theme across the cover. The postmark is a clean first-day cancel from Lincoln, the designated city of issue.\u003c\/p\u003e\u003cp\u003eAddressed to Dr. Charles R. Martin in Jacksonville, North Carolina, the cover carries an interesting connection to a coastal community near the Marine Corps base at Camp Lejeune.\u003c\/p\u003e\u003cp\u003eA well-preserved example for collectors of minerals, earth-science topicals, or Art Craft cachets, it displays fresh color and a crisp strike.\u003c\/p\u003e","brand":"Maple Springs","offers":[{"title":"Default Title","offer_id":51394931458212,"sku":null,"price":2.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0580\/4713\/5908\/files\/20260702110626.jpg?v=1783043365","url":"https:\/\/fdc-vault.com\/products\/1974-our-mineral-heritage-10-lincoln-ne-first-day-cover-1","provider":"Maple Springs - FDC Vault","version":"1.0","type":"link"}