Mathew Brady or Associate (attrib.)  
15th New York Engineers. 
Malvern Hill.  The Penninsular Campaign.  
A group of officers are meeting with an American Flag and a Battle Flag in the background. 
The Engineers helped emplace guns 
that Col. Henry J. Hunt gathered to repel the enemy assault.  
The image is reproduced in Davis, The Images Of War.  Vol. II, p. 170.    
6 1/2  x 8  inch Albumen print  on a mount . 
The tones in the lower part of the image are a little light 
and there are some surface marks.  
This picture  comes through Levin Handy, Brady's nephew.