Remington Attribute Cowboy Indian Signed Impressionist Equestrian

Remington Attribute, Signed on the very lower right of the art. Remington 1861-1909, was the prolific New York City artist. He had special interest in cowboys and Indians. This good looking equestrian cowboy horse riders, presume to be a reverse glass painting in black and white. Situated in a light wood shadow box.  Etched flame mark verso indicates  " framed in Lucid Lines frame shop in Boulder California, along with production numbers in 1974, copyrighted ". In excellent condition, with sign of aging, Photographic Blemishes. Unconfirmed authenticity, as To be considered Decorative Fine Art !

Dimensions 2" x 21" H.  x 17" W. Signature on the Lower Right.