On December 3 and 4, the Oklahoma History Center (OHC) Museum Store will hold its annual Holiday Sale! During this sale each year, additional discounts are offered to OHS members, staff, and volunteers to show appreciation for their support of the Oklahoma Historical Society. Each group receives an additional 10 percent off regularly priced merchandise. If you are not a member, the store can help get your membership started so you can enjoy a 10 percent discount during the sale.…