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)
Probably related to AP-5306, but not the same flowers. In this photo the background buildings are masked out. Compare to AP-5063-4. Senders of flowers include: "Employees American Office," and "H 6", which would be Company H, 6th Regiment of the Pennsylvania National Guard, based in Media.
Advertising "Muresco for wall and ceiling decoration. Superior to Kalsomite or any other wall finish. Manufactured by Benjamin Moore & Co., New York and Chicago."