RR Auction: Fine Autographs and Artifacts featuring Science and Technology

Felt tip signatures of 17 members of the 1977 California Angels, on an off-white 14 x 11 cardstock sheet with an Angels logo affixed to the center. Si

German race car driver (1901–1959) who won some 30 major championships, including the first German Grand Prix, before his death from a bone disease. U

Contract, signed “Wm. Roger Clemens,” one page, 8.5 x 11, February 25, 1987. An extension agreement between Clemens and Topps Chewing Gum, in which th

Vintage fountain pen signature and inscription, "Mrs. Ella Louise Greene, with best wishes, Mickey Cochrane, Phila. Athletica,” on an off-white...

Female golfer (1903–1989) who dominated women's golf throughout the 1920s, and is a member of the World Golf Hall of Fame. Vintage fountain pen ...

Italian-American racecar driving champion (1882–1956) and winner of the 1915 Indianapolis 500, who is estimated to have won nearly 2,000 races during

Color glossy 9.5 x 7.5 photo of Joe DiMaggio and Billy Martin on the field and wearing their Yankees uniforms, signed in black felt tip by DiMaggio an

Two signed photos: a 6.5 x 9 paperstock premium showing DiMaggio in his New York Yankees cap, signed in black ink by DiMaggio, and bearing a facsimile

Two baseball bats: an official Adirondack baseball bat signed in blue felt tip on the barrel, "Bob Feller, 266 Wins"; and an official Loui...

Two items: a color 9 x 12 book photo of Wayne Gretzky hoisting the Stanley Cup over his head, signed in blue felt tip; and a limited edition oversized

Color vintage 3.25 x 5.5 magazine photo of Hodges taking batting practice, signed and inscribed in blue ballpoint, "To Phil, Best Wishes, Gil H...

Limited edition full-size rubber base honoring Yankee Stadium's 85 years in existence, numbered 16/50, prominently signed on the top in black fe...

Desirable ballpoint signature, "Michael Jordan,” on an off-white 5 x 3 card, with typed collector's notation dating the signature to Septem...

Vintage fountain pen signature, "Chuck Klein,” on an off-white 2 x .75 card, affixed to a larger card bearing an affixed magazine photo of the ...

1964 Topps Giants #25 Mickey Mantle baseball card featuring a close-up portrait of the New York Yankees icon, signed in blue felt tip. Encapsulated an

Glossy 7 x 9.25 photo of Mickey Mantle taking a mighty swing in his Yankees uniform, signed in blue felt tip. Double-matted to an overall size of 12 x

Color satin-finish 13.5 x 10 photo of baseball legends Mickey Mantle, Willie Mays, Joe DiMaggio, and Duke Snider wearing their respective uniforms dur

Official Rawlings American League (MacPhail) baseball signed in ballpoint on the sweet spot and side panels by 18 guests at a 1983 Yankee golf tournam

Original red seat back from Three Rivers Stadium in Pittsburgh, 16 x 15.5, prominently signed in black felt tip by Pirates legend Bill Mazeroski. In v

Full-size official Riddell New York Jets replica football helmet signed on the upper shell in black felt tip by Joe Namath. In fine condition. Accompa