Lancaster's Wholesale Mall Hosting Customer Appreciation Days At the Keystone Wholesale Cash and Carry Mall September is an exciting month. Vendors stock their booths with new fall and Christmas booths, fall weather is rolling in, and every Monday is Customer Appreciation day! To thank their loyal customers Keystone will be holding not one, not two, but three Customer Appreciation Days! Also, they understand that preparing for the fall and winter rush is hard work. That is why they will be providing complimentary breakfast and lunch on all of their Customer Appreciation Days! If you have...