USA: Envelope p/n Autographed Goff-Pribble's Petroglyphic Expedition to Death Valley, 1934

This 1934 envelope showcases a unique autographed piece from Goff-Pribble's Petroglyphic Expedition to Death Valley. The envelope features a sepia-toned image depicting petroglyphs and a hand-written inscription, exhibiting signs of age and wear consistent with its historical context.