Laramie Texas cabin original signed painting on sale of cabin by Helen Cartwright "North of Laramie" 1978

on sale Original painting I believe to be acrylic, but might be oil on canvas board. This sweet painting gives the real feeling of a cozy ranch home under a cold blanket of winter sky. Painting is 14" x 11" in a painted wood frame. Signed, and annotated on back.
See picture that shows a stray mark on top.
Signed by artist.