Harry Houdini Signed & Inscribed "The Unmasking of Robert-Houdin"University Archives4.7(168)$1,800(2 bids)15 hrs Left
Harry Houdini Signed 1918 Letter with Beckett COA 5.5x8.5 AutographMynt Auctions4.4(903)$100(1 bid)4 days Left
Harry Hooper autographed baseball postcard PSA DNA JSA family treeMynt Auctions4.4(903)$500878 Lots Away
Harry Litwack Signed 1992 Hall of Fame Postcard PSA/DNA Basketball RareMynt Auctions4.4(903)$150Aug 8, 2026
Harry Heilmann Detroit Tigers Autographed Cut Signature with Postcard Beckett AuthenticatedMynt Auctions4.4(903)$1,950Aug 5, 2026
Signed 1989 Goal Line Art Postcard by Harold Red Grange Bears PSA DNA AuthenticatedMynt Auctions4.4(903)$3504 days Left
Ed Walsh Autographed Cut Signature with Perez-Steele Postcard JSA AuthenticatedMynt Auctions4.4(903)$1,1003 days Left
George Halas Signed Cut Signature with Goal Line Postcard JSA AuthenticatedMynt Auctions4.4(903)$340Aug 4, 2026
