Real Photo Native American Postcard, Rainwater's Son

Historical real photo postcard of young Native American on pony in front of tee pee--"Rainwater's Son". Note wagon at the far left side, blanket on the pony, and head gear. Note what appears to be his mother sitting at far right side.

Condition is fine minus with corner bumps and very small blemish reverse left side. Postmarked August 4, 1909 from Herrick, South Dakota.