Shop the Oklahoma History Center Museum Store Holiday Sale for unique gifts at discounted prices. The sale will be December 6, 7, and 9 from 10 a.m. to 5 p.m. Shoppers will save on a great selection of Made in Oklahoma products and other items that celebrate the history and culture of our great state. Holiday shoppers will receive 10 percent off regularly priced items during the sale, and Oklahoma Historical Society members will receive 25 percent off regularly priced…