Vernon, Dai (David Frederick Wingfield Verner). Dai Vernon?s Porper Cups and Balls. California: Porper Originals, ca. 1980. Set of three brass cups, four crocheted balls, and wooden wand with brass tips, custom made by Joe Porper and presented to Dai Vernon. Housed in a sturdy brass box with brass Vernon ?spinning? coin inset in its lid. Box 9 ? x 3 ? x 3 ??. Finish of box shows wear, contents near fine. One of the first sets of cups spun by Porper, who is well known as a manufacturer of fine billiard cues and supplies. Provenance: Porper to Vernon; Vernon to Larry Jennings; Jennings estate to present owner.