Lucky Star Gallery in Reno, Nevada. They are watercolor, etching, pen and ink. The framed size of this one is 15-3/4x14 inches.
Linda is a member of the Cody Country Art League.
Here's some info on the artist from the gallery web site:
This series of Native American Indian portraits by Lunde are stunning. This portrait of a strong and brooding brave is a handsome watercolor matted and framed in beautifully complimentary tones of a muted mauve/lavender and in a metallic gunmetal grey frame.