E. Long & Son (Quincy, Illinois)
1880-1885
E. Long's solar printing establishment, Quincy, Illinois

Boudoir card
Jeffrey Kraus Antique Photographics
Current whereabouts unknown.
 
The date is based on a entry in The Philadelphia Photographer, Dec. 1885
 
I'm indebted to Bálint Flesch for bringing this to my attention (6 February 2017).
 
LL/73638