1960 Topps #421 Duke Maas
Cards #375-440 were printed on two back stocks, white and gray. White is the scarcer of the two, and the difference is the tint of the cardboard on the reverse — it is a stock variation, not a design change, so both backs read identically.
About Duke Maas
Duane Frederick "Duke" Maas broke in with the Detroit Tigers in 1955, endured an 0-7 season in 1956, then rebounded with 10 wins in 1957. That June, he and Virgil Trucks were traded to the New York Yankees for Bob Grim and Harry "Suitcase" Simpson, and it paid off fast — Maas went 7-3 down the stretch as New York won the 1958 pennant, picking up the pennant-clinching win, then worked an inning of relief in that fall's World Series victory over Milwaukee. His best year came in 1959: 14-8 in 21 starts. He added two innings of relief in the 1960 World Series against Pittsburgh before arm arthritis ended his career; the expansion Los Angeles Angels drafted him in 1961, but he never played for them, finishing instead with the Yankees. He'd gone by Duke since boyhood, disliking his given name, Duane. His 1960 Topps card, #421, pictures him with the Yankees from the scarce high-number series five, printed on white or gray stock, with white backs the tougher find.
Sources: Wikipedia · SABR BioProject · Baseball-Reference
Graded population (PSA & SGC)
| Grader | Total | 10 | 9 | 8 | 7 | 6 | 5 | 1-4 | Auth |
|---|---|---|---|---|---|---|---|---|---|
| PSA | 405 | 1 | 18 | 147 | 133 | 59 | 25 | 22 | 0 |
| SGC | 28 | 0 | 0 | 6 | 11 | 3 | 2 | 6 | 0 |
Graded population — a scarcity guide, not a price. Snapshot 2026-08-20. Half grades fold down for both graders (8.5→8); PSA qualified slabs (OC, ST, PD, MC and the like) are not counted. Neither grader separates the white and gray back stocks on this card, so the counts below cover both. The Venezuelan issue, the 1960 Topps Tattoos and Bazooka are separate products and are not counted here.
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Frequently asked questions
What is the 1960 Topps #421 card?
It is card #421 of the 572-card 1960 Topps Baseball set, picturing Duke Maas.
Does #421 come with a white or a gray back?
Both. Cards #375-440 were printed on two back stocks and white is the scarcer of the two. Neither PSA nor SGC separates them in its population report, so the graded counts on this page cover both stocks together.
How many cards are in the 1960 Topps Baseball set?
572 cards, numbered 1-572, issued in seven series - the last Topps flagship printed entirely horizontally. Cards #375-440 exist on two back stocks, white and gray, which collectors chasing every printed variety count as 638 pieces of cardboard in all.
Sources: Trading Card Database, Cardboard Connection, the PSA price guide, Baseball-Reference, the SABR BioProject and the National Baseball Hall of Fame, PSA & SGC population reports. Card data compiled and maintained by T206Cards.com. Page last updated 2026-10-13.