RR Auction: Fine Autographs and Artifacts featuring Science and Technology

Unsigned quote penned by Muhammad Ali in black felt tip on an off-white 8 x 5 stationery card, in full (spelling and grammar retained): "All pr...

Glossy 8 x 10 photo of 'The Greatest' in a fantastic pugilistic pose, signed and inscribed in blue felt tip, "To Reuben, love, Muhammad...

Tri-fold religious pamphlet entitled "Is Jesus Really God?," 3.75 x 8.5, signed on the front in black ballpoint, "Muhammad Ali."...

Glossy 8 x 10 close-up photo of Ali on the telephone, signed and inscribed in black felt tip, "To Ken & Joyce, from Muhammad Ali, 2-9-88.” ...

Desirable series 1985 one-dollar bill, signed and inscribed in black felt tip by the legendary boxer, "To Bud, from Muhammad Ali, 8-7-89."...

Huge felt tip signature and inscription, "To Bud, From Muhammad Ali, Love is the net, where hearts are caught like fish, 8-7-89," along wi...

Color 6.75 x 7.5 magazine photo of an artistic image of Cassius Clay below boxing gloves holding an open book, signed in black ballpoint by Muhammad A

Vintage ballpoint signature, "Moe Berg,” on an off-white 4 x 3 card, affixed to a slightly larger card beside a portrait of the famous catcher-...

Two color satin-finish photos: an 8 x 11 photo of Bolt showing off one of his gold medals from the London 2012 Olympics, signed in black felt tip; and

Vintage glossy 8.5 x 6.5 photo of the elder Braddock with two younger fighters, signed and inscribed in fountain pen, "To Al Hickland, a real s...