Vintage Cabinet Card. Dick & Paul Epley by D. B. Chase in Denver, Colorado.

A style of photography
 widely used for portraits in the late 19th century, mounted on a card.

D.B. Chase was well established in Colorado, and many of his photographs of the region 
are in a special collection at the University of New Mexico Library. 
He was one of several photographers who documented the American Southwest in the late
19th century. He was active between 1873-1897 until his death.