"Man on horse"

The next is the description from the dealer:

Oil painting signed by John Stanford

Year: unknow

Art type: Oil on canvas

Frame length:   24

Frame width:    28

Picture length:  21

Picture width:   25

Primary colors: Browns and Blue

Comments: Signed by artist in paint, No glass to frame.

certificate of registration issues by: Collector's Corner: B18667G.

painting in good condition.

The Signed dealer was delete from the next pictures...

I want to know if it is an original painting.

Thanks!...