RR Auction: Fine Autographs and Artifacts featuring Science and Technology

Vintage fountain pen signature, "Hollywood, Calif., Oct. 21st, 1943, With very best wishes from Jim Thorpe," on an off-white 5 x 3 card. C...

Four items: an Angelo Dundee holiday postal card, 3.5 x 5.5, postmarked December 14, 1984, addressed to Mr & Mrs. Muhammad Ali, signed in blue b...

Tri-fold religious pamphlet entitled "Human Rights in Islam," 3.5 x 8.5, signed on the front in black ballpoint, "Muhammad Ali, 6–29–...

Glossy 7.75 x 9.5 half-length photo of Ali smiling and staring into the camera after a training session, signed nicely in black felt tip. In very good

Color semi-glossy 20 x 16 photo of Muhammad Ali during an emphatic face-off with Joe Frazier, signed in black felt tip by Ali. In fine condition. Orig

Glossy 8 x 10 ProServ publicity photo of Ashe in a suit and tie, signed and inscribed in blue ballpoint, "For Len, Arthur Ashe." In very g...

Collection of 17 checks signed by noted athletes, including: Zack Wheat, Harmon Killebrew, Pete Rose (2), Rocky Colavito, Curt Flood, Milt Pappas, Cal

Collection of three FDCs honoring Babe Ruth, each signed by a multitude of baseball Hall of Famers. Signers include: Ernie Banks, Johnny Bench, Lou Bo

Five official Rawlings National League (White) baseballs, each signed in blue ballpoint on the sweet spot by Bench. In overall fine condition.

Collection of 11 ink or felt tip signatures of famous boxers, all but one on off-white 5 x 3 cards, with a few inscribed, including: Héctor Cam...