Posted By:
cmokingDon't know if this is what you are looking for: the 1933 Goudey, 1934 Goudey and 1933 Sports Kings (really a 1934 set, not 1933) have documentation from the U.S. Copyright Office. For more info: Mile High is auctioning off a SK lot, and REA recently auctioned off some the 33 and 34 Goudeys.