DeLand's Wonder Cards In-Store Advertising Poster.?Philadelphia: DeLand, ca. 1915. Small two-color poster for the ?most sensational deck of magic trick cards ever invented," and picturing the elaborate markings on the edges and backs of the pasteboards. Includes pricing for versions with three different finishes: Plain, Celluloid, and Air-Cushion. With a rubber-stamp of DeLand in the lower left bearing his Philadelphia address. 13 ? x 10 ?". Old folds from mailing, else very good. The uncommon large format version of this advertisement. The Wonder Deck itself is genuinely rare, with only a handful of examples having survived.