Card or Billet Tray. Mexico: Edmund Spreer, ca. 1980. Heavy and well-made brass tray secretly switches cards or billets placed atop it and can also be used to add cards or billets to a stack. 8 x 11 ??. One of approximately 12 units manufactured. With the hallmark of the maker on a brass plate under the base, and bearing ?No. 5? on the plate. In original box. Shows some wear from use but works well. Spreer worked as illusion builder to David Bamberg (Fu Manchu) and constructed a limited number of these trays in 1980. The design was based on an Arnold DeBiere prop.