Novelty game of chance Mystery Boxes. For 10C you can pull the tab of a favorite girl's name revealing a number. You then win the contents of the box with the corresponding number. All tabs are intact and all boxes seem to be present though can't say all are original and the mystery prizes have not been checked out. Graphics proclaim "Not a Gamble. Everyone a Winner. " Also, there is a note to Post Master that package my be opened for inspection. No mfg. info located. Box meas. approx. 13.5" x 8" deep x 21" high. Box worn at bottom corners with small hole on right front. Astoundigly good condition considering age.