RR Auction: Fine Autographs and Artifacts featuring Science and Technology

Collection of 18 limited edition Negro League legends postcards featuring artwork by Ron Lewis, 3.5 x 5.5, numbered to 10,000, individually signed in

Four photos signed by stars of the Negro League, ranging in size from 4.5 x 9 to 7.5 x 9, including: Buck Leonard, Ted 'Double Duty' Radclif...

Color satin-finish 10 x 8 photo collage of Jack Nicklaus celebrating tourney championships over the course of his golfing career, signed in black felt

Vintage fountain pen signatures of 16 members of the 1934 New York Giants team on an off-white 3.75 x 5.5 card, including: Mel Ott, Carl Hubbell, Trav

Very desirable white Masters Tournament cap with adjustable belt strap, signed on the brim in black felt tip by four-time tourney winner Arnold Palmer

Ballpoint signature, "Do amigo, Edson Pele,” on an off-white 4.25 x 3 sheet of notebook paper. In fine condition. Accompanied by a certificate ...

Vintage pencil signature, "Good luck and best wishes, Herb Pennock, 12/2/41” on an off-white 3.5 x 2.25 card, affixed to a larger card below a ...

Official Rawlings Major League (Selig) baseball neatly signed in blue ballpoint on the sweet spot, "Mariano Rivera." In very fine conditio...

Two baseball cards signed in blue felt tip by New York Yankees closer Mariano Rivera, who adds his number, "42," to both cards, and his ni...

Color satin-finish 20 x 16 photo of Nolan Ryan holding and punching Robin Ventura during a Rangers-White Sox game on August 4, 1993, signed in blue fe

Vintage fountain pen signature, "Billy Southworth,” on a light green 3.75 x 1.5 slip, affixed to a larger card bearing an affixed portrait of t...

Glossy 8 x 10 photo of Stengel blowing out his birthday candles from a hospital bed, his wife Edna looking on, signed and inscribed in black felt tip,

White "Diners Club International" baseball cap with an adjustable strap, signed near the logo in black felt tip by Payne Stewart. In fine ...

Official Wilson 'NFL Touchdown' football signed in silver ink on a side panel, "Y. A. Tittle, HOF '71." In fine condition.

Vintage ballpoint signature and inscription, "To Philip, With best regards, Pie Traynor,” on an off-white 5.75 x 3.75 card bearing an affixed p...

Vintage fountain pen signature and inscription, "Thank you P. M., Best wishes, R. J. 'Bob' Wallace,” on a lined off-white 5 x 3 card, a...

Vintage ballpoint signature, "Tom Yawkey,” on an off-white 4 x 3 card, affixed to a slightly larger card beside a portrait of the Red Sox owner...