Richard William Penn Howe (1822-1900),
3rd Earl Howe.
Son of Richard William Penn Curzon-Howe, 1st Earl Howe and Harriet Georgiana Brudenell.
In 1858 he married Isabella Maria Katherine Anson.
The image below is slighty enlarged compared to the original cdv size photograph.
"Col. Honble. R. Curzon Lord Howe"