Photograph used in the book Twice Adopted, by "En Quad" [Thomas R. Vernon]. Media, Pa.: Cooper & Vernon, Publishers, 1898, facing page 161. This novel tells the story of two adopted children in Media who grow up to get married, and uses many real people names and place names.
This later became Snowden's Inc. Possibly Henry C. Snowden (born 1838) behind counter (although this does not look like the picture at Findagrave.com), or Samuel W. Hawley (1840-1905)