Arizona’s Settlers West Galleries prepares to host its annual American Miniatures show.

For 30 years, a replica of a red Cheyenne shield has hung on a wall in the studio of Howard Terpning, an artist renowned for his Native American–themed paintings. That’s nearly as long as he’s been contributing miniature works to an annual show at Settlers West Galleries in Tucson, Ariz. This year, the shield and the show have come together. The former is the focus of Cheyenne Red Shield, Terpning’s contribution to …