Officers of Companies A, B, C and D, Fifteenth Maine Infantry: the plate facing p. 36 of The Story of the Maine Fifteenth (1890)
Image · dated 1890 · source: H. A. Shorey, The Story of the Maine Fifteenth (Bridgton, Maine, 1890); Internet Archive copy, storyofmainefif00shor. Public domain.

How it is shown: Complete page as scanned; no crop, no retouch.