6 3/16 x 3 1/8 in. stereoview on cardstock mount (toning, soiling, and some abrading and wear to prints; soiling and wear to mount edges and corners). Verso feature's Buehman's "Scenes in Arizona" imprint with blank field for image number accomplished in manuscript: "50" and title inscribed below: "Agt Clum, Diablo & Eskiminzin." John Clum stands at center, flanked by Apaches Diablo and Eskiminzin, each resting one hand on Clum's shoulder. Clum wears fringed shirt and pants with gauntlets. Notably, Diablo wears a Model 1851 eagle belt plate.

John Clum (1851-1932) was a major figure in the development of Arizona, serving as Indian Agent for the San Carlos Apache Indian Reservation from 1874-1877, Mayor of Tombstone beginning in 1881, and publisher and editor of the Tombstone Epitaph from 1880-1882. 

Eskiminzin (1828-1894) was born a Pinal Apache but married into the Aravaipa and became their principal chief. He was a proponent of peace who approached US Army Lieutenant Royal Whitman in 1871, asking that the Apache be allowed to stay where they could grow their native agave, rather than be moved to the White Mountain Reservation. Settlers responded to Apache raids that year with force, killing as many as 150 of Eskiminzin's people and enslaving Apache children. President Ulysses Grant ordered a trial for the settlers, but they were acquitted in December of 1871. Eskiminzin's people were subsequently moved to the San Carlos Reservation on the Gila River in Arizona. 
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After completing his photography apprenticeship in Germany at the age of 15, Henry Buehman journeyed to the American West, where he worked and traveled before settling in Tucson, Arizona Territory. There he purchased a portrait studio and established a photography business, quickly becoming the premier photographer in Tucson and in the Territory. Buehman periodically traveled through the surrounding areas, which allowed him to compile a large portfolio that included Native American and scenic images as well as his portraiture. In addition to his success as a photographer, Buehman eventually served as mayor of Tucson from 1895-1899.