We have an Advertisement Post Card Money Making Book Vintage item.  It measures about 5 1/2" x 3 1/4".    It was put out by A. Le Venson Company Boston Ma.  It reads "1000 Money Making Ideas Men! Women! Boys! Girls! Earn money in spare or full time - a practical guide to turn your time into dollars."......  There is a preprinted 1 cent stamp on the front.  These (on initial posting I have a few) have not been sent/addressed, they are nos.

Advertisement Post Card Money Making Book Vintage