1969 Topps #66 Orioles Rookie Stars - Mike Adamson / Merv Rettenmund
On this card: Mike Adamson, Merv Rettenmund
About this card
This is one of the 52 Rookie Stars cards in the 1969 Topps set, each carrying two or three young players under a club or league title. A Rookie Stars card is a rookie card only for the players pictured who had no earlier Topps flagship card - the rookie-card answer on each card names them.
The story on this card
1969 Topps #66 is a Rookie Stars card from the first print series, pairing Mike Adamson with fellow Orioles rookie Merv Rettenmund, both pictured as members of the Baltimore Orioles. It is a recognized rookie card for both players. Adamson had already appeared with the Orioles in 1967 and 1968 by the time this card reached shelves, and 1969 proved to be his final major league season before he moved on to the Baltimore and then Milwaukee farm systems. Right-hander who went straight from USC to the Orioles bullpen in 1967 without a day in the minors, pitching parts of three big-league seasons before finishing his career in Milwaukee's farm system.
1969 Topps #66 is a Rookie Stars card shared with fellow Orioles pitcher Mike Adamson, part of the set's first print series. Rettenmund had broken in with Baltimore the year before and would open 1969 in a reserve outfield role behind Frank Robinson, Paul Blair and Don Buford, appearing in 95 games as the Orioles won the American League pennant and faced the Mets in the World Series. Baltimore Orioles outfielder who helped power three straight pennants (1969-71) and the 1970 World Series title, then added a second ring with the 1975 Reds.
Sources: Wikipedia (Mike Adamson) · Wikipedia (Merv Rettenmund) · SABR BioProject
Graded population (PSA & SGC)
| Grader | Total | 10 | 9 | 8 | 7 | 6 | 5 | 1-4 | Auth |
|---|---|---|---|---|---|---|---|---|---|
| PSA | 308 | 5 | 44 | 147 | 70 | 24 | 8 | 7 | 3 |
| SGC | 12 | 0 | 2 | 4 | 2 | 1 | 1 | 2 | 0 |
Graded population — a scarcity guide, not a price. Data as of 2026-09-04. Half grades fold down for both graders (8.5→8); PSA qualified slabs (OC, ST, PD, MC and the like) are not counted.
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Related cards
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- #9 American League 1968 Pitching Leaders
- #15 Boog Powell
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- #86 Pete Richert
- #113 Dave May
- #141 Bill Dillman
- #151 Clay Dalrymple
- #185 Tom Phoebus
- #203 Dave Johnson
- #228 Dave Leonhard
- #250 Frank Robinson
- #277 Rod Hendricks
- #299 Mark Belanger
Frequently asked questions
What is the 1969 Topps #66 card?
It is card #66 of the 664-card 1969 Topps Baseball set, picturing Mike Adamson and Merv Rettenmund. This is one of the 52 Rookie Stars cards in the 1969 Topps set, each carrying two or three young players under a club or league title. A Rookie Stars card is a rookie card only for the players pictured who had no earlier Topps flagship card - the rookie-card answer on each card names them.
Is 1969 Topps #66 a rookie card?
Yes - #66 is a rookie card for every player pictured on it: Mike Adamson and Merv Rettenmund.
How many cards are in the 1969 Topps Baseball set?
664 cards, tracked as 696 collectible states. Numbers run from 1 to 664 with none skipped and no printed number shared by two cards; 32 cards carry catalogued print variations that the master set counts separately, 23 of them the yellow- and white-letter name pairs of #440-511.
Sources: Trading Card Database, PSA CardFacts, Cardboard Connection, Baseball Almanac, 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 2026-10-12.