Jumbo Card Collection. German, 1900s/1950s. Including ungimmicked and prepared decks of jumbo cards for various tricks and by various manufacturers. Included are decks made for or by Conradi, Bartl, and others, and among these are mechanical cards, double-ended cards, letter cards, thick cards, and others. Five or six different back designs. Neatly organized in eight handsome green paper boxes with internal compartments. Ex-Rudiger Deutsch collection.