Pre-Paid #4)   The product is a set of two1952 vintage postal cards featuring a pre-stamped 1 cent Jefferson stamp that has been revalued to 2 cents to meet the increased postal rate.  The cards are of United States origin, green in color, and ungraded. They are part of the back of book collection of United States stamps, specifically focusing on historical figures. The cancellation type is uncanceled, and unused. This set would be a unique and collectible piece for postal card enthusiasts and those interested in United States historical stamps.  Cards in photos are cards received.