Home / Hampster Direct / 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 — OR — 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 Brian Dozier Signed, Inscribed, & Hand Painted 2015 ASG Bat Brandon Crawford Most Games at SS in Franchise History Maple Art Bat Lance Berkman Signed & Hand Painted Player Model Bat Bill Mazeroski Signed & Hand Painted Pirates Two Tone Bat