Nearly pristine near white to white W.Giles National League baseball signed on side panel, "Leo 'Gabby' Hartnett Hall of Fame 1955". Blue ink signature and uncommon inscription rate a resounding 10 of out 10 having no mentionable flaws. The ball is accompanied by a cache of related materials from the Hartnett Collection to include: 1) July 22, 1969 White House Reception Invitation to Hartnett. 2) 1969 MLB All-Star Game unused full ticket. 3) Sept. 1972 President Richard Nixon letter to Hartnett (auto pen signed) and related program from Nixon's All-Time baseball team event. 4) Hartnett place card from the 1969 Nixon event. Almost certainly the finest condition grade Hartnett single signature baseball in the hobby. Includes full LOA from PSA/DNA (Ball: 8, Signature: 9, Overall: 9): Ball : NM-MT, Signature: MT, Paper items: EX-MT