Home / Vintage Autographed Postcards / Autographed Rare Negro League Cowan Hyde Authenticated Postcard Autographed Rare Negro League Cowan Hyde Authenticated Postcard$295.95 Autographed Rare Negro League Cowan Hyde Authenticated Postcard quantity Add to cart Description Description This is a postcard from a series sold by the Negro League Museum “slabbed” and authenticated. Vintage post cards have become rare and are a great collectible. Related products Jim Thome Signed & Hand Painted Indians Custom Home Jersey Blue Jays Chrome Authentic Rawlings Replica Batting Helmet Lance Berkman Signed & Hand Painted Player Model Bat Dale Murphy Signed & Hand Painted Cooperstown Bat