1955 Topps
1955 · Topps Chewing Gum, Inc. (Brooklyn, NY)
210-card horizontal-format set. Highlights include Sandy Koufax RC #123, Roberto Clemente RC #164, Harmon Killebrew RC #124.
Key Facts
- Release
- 1955
- Manufacturer
- Topps Chewing Gum, Inc. (Brooklyn, NY)
- Distribution
- One card plus bubble gum per nickel pack throughout the 1955 baseball season; Mantle again absent due to his Bowman contract
- Card stock
- Horizontal landscape cardstock — first Topps set to use a horizontal layout — with a large headshot plus a small action photo, 2⅝″ × 3¾″
- Printer / Designer
- Sy Berger (Topps)
- Series
- Single 207-card issue (with two #2 and two #50 variations); features one of the most loaded rookie classes in baseball history
- Total cards
- 217
Key Cards

Roberto Clemente RC (#164)
Clemente's rookie card — among the most pursued rookies of any era, period.

Sandy Koufax RC (#123)
Koufax's rookie card — the 19-year-old bonus baby in his first season with Brooklyn.

Harmon Killebrew RC (#124)
Killer's rookie card — sat next to Koufax on the checklist and in the Hall of Fame.

Hank Aaron (#47)
Aaron's sophomore card, mid-stride through his 23-year, 755-home-run career.

Willie Mays (#194)
Mays coming off his 1954 MVP and "The Catch" — already the National League's premier player.

Ted Williams (#2)
Splendid Splinter in his prime — the #2 card has two variations (with/without trade designation).

Al Kaline (#4)
Kaline's second-year card — the same season he won the AL batting title at age 20.

Yogi Berra (#198)
Berra in the year he won his third AL MVP — anchoring the Yankees' return to the World Series.

Duke Snider (#210)
Silver Fox in the Boys of Summer Dodgers' championship season — their only Brooklyn-era World Series win.

Ernie Banks (#28)
Mr. Cub in the breakout year that vaulted him to NL stardom — 44 HR at shortstop.

Warren Spahn (#31)
Spahn in his Milwaukee Braves prime — his fourth straight 20-win season.

Jackie Robinson (#50)
Robinson's final career-prime card — issued during Brooklyn's only World Series-winning season.