1874 age 50
A full length study by the New York photographer Sarony showing Wilkie in a fur coat over a suit looking at a painting. On the left, an early print at cabinet size. On the right a smaller, later reproduction (this image © Susan Hanes 2005).

The detail below shows that Wilkie is wearing a cravat with a square pattern. In many Sarony portraits his cravat is spotted.