For sale is one 1960 National Biscuit Company (Nabisco) Trading Card Wonders of the World Mount Rushmore National Memorial. The post card measures 3 1/2 by 4 1/2 and is in good used condition with minor wear to one corner. This postcard is number 18 of a series of 24 full-color souvenir pictures of the Wonders of the World. These post cards were distributed by the Nabisco Co in boxes of Nabisco Shredded Wheat and Spoon Sized Shredded Wheat.