The is the 1967 Topps baseball card, number 241 in the 1967 Topps set, featuring the American League R.B.I. Leaders from 1966.
It is signed by Frank Robinson, Boog Powell and Harmon Killebrew.
The card was signed by the two Baltimore Orioles superstars in black felt tip pen, because that's what I had on me when it was signed in 1968. The Harmon Killebrew signature is in ballpoint pen.
The 1959 signed Frank Robinson baseball card, number 435 in the 1959 Topps set, is being sold in a separate auction.