Minerals 1992 Variscite

The GAMM cachet features a detailed teal/blue engraving-style illustration of a rocky cliff or mineral formation with green vegetation, with 'MINERALS' printed vertically in large teal letters on the left. Descriptive text explains that rocks share a common feature—minerals—and specifically discusses Azurite as a commercial source of copper often found with malachite. The stamp is the 29-cent Variscite stamp from the 1992 Minerals series, depicting a green and gold Variscite specimen against a gray-green background. The postmark is a standard black circular datestamp from Washington, DC, dated September 17, 1992, with ZIP 20066, accompanied by a machine-applied 'FIRST DAY OF ISSUE' slogan cancel.

The cachet artwork features a detailed teal illustration of a rock formation, emphasizing the presence of minerals within the Earth's crust. The text describes the significance of minerals, specifically mentioning azurite and its association with malachite. The stamp depicts a variscite mineral in shades of green and gold with the text 'Minerals USA 29'. The postmark is circular with the text 'Washington, D.C. SEP 17 1992 20066' and the words 'FIRST DAY OF ISSUE' printed in black. The cover is in good condition with clear, legible text and artwork.