Description:1933 Louisville Slugger advertising proof. Thin semi transparent paper stock proof issued by C.C. Spink & Co. for a Louisville Slugger advertisement regarding use of their bats in the 1933 World Series. 11"x17" and stamped "OCT 14, 1933" at the bottom as having been accepted by H&B. Includes letter of provenance from Hillerich & Bradsby Co.: EX-MT