Discounted Pella Bucks sold at last years Tour of Stores expire soon. 100,000 Pella Bucks were sold at a 10% discounted rate as a way to help encourage local spending over the holiday season. Marion County Bank sponsored the discounted Pella Bucks. Pella Chamber of Commerce Director Karen Eischen KNIA/KRLS News that the chamber is pleased with the promotion this year, and expects that almost all the bucks sold at the tour will be redeemed. The Tour of Stores Chamber Bucks expire in one week, next Saturday the 14th.