Antique Septimus Dawson English Oil Painting of Old Man Moses? Da Vinci?

Antique Septimus Dawson English Oil Painting of Old Man Moses? Da Vinci?

Estate sale find, signature looks like that of Septimus Dawson (1851-1914) but I am not an expert.

Frame appears to be more modern than the canvas.

Canvas is approx. 9" x 12"

Frame is approx. 13"x16"x1.5"