Robin Roberts Check Signed Twice by the Hall of Fame Phillies Pitcher. Lot 114. Robin Roberts Check Signed Twice by the Hall of Fame Phillies Pitcher. Roberts signed the front of this check and endorsed it on the back. Both autographs are gem mint 10s. Checks signed by Roberts are scarce. Authenticated by Kevin Keating. Winning Bid $25. Back to List Winning Bid $25 Back to List