Remington Attrubuted Cowboy Indian Reverse Glass Painted Art

signed attributed to Remington, 1861-1909, the prolific New York City artist with special interest in cowboys and Indians. the beautiful equestrian cowboy horse riders  reverse glass painting. in light wood 2" shadow box.  the etched mark on the back shows that it was framed in Lucid Lines frame shop in Boulder Ca. in 1974. it is also copyrighted. This art is in excellent condition, and unconfirmed authenticity. To be considered Decorative Fine Art !

21" H.  x 17" W.