Color illustration depicting Hernando de Soto and Spanish conquistadors on horseback with soldiers, priests, and Native Americans near tepees along the Mississippi River; a cannon and supplies appear in the foreground.
White border; printed caption and number at bottom; light edge wear and small spots on border.
No postmark. Divided-back card with white border and matte, slightly textured stock. Back carries printed title, painting credit, and publisher imprint; a pencil dealer/collector mark "#59" sits at lower right. No stamp, no address, no handwritten message.
Cite this card
De Soto's Discovery of the Mississippi River, May 1541, by W. H. Powell, U.S. Capitol, Washington, D.C., postcard, c. 1915. PostalPast Collection. https://postalpast.com/postcard/de-sotos-discovery-of-the-mississippi-river-may-1541-by-w-h. Accessed October 5, 2026.