Manufacturer: Bowman
Set: 1955 Bowman Baseball ➡️
Player Name: Don Mossi
Position/Team: Pitcher for Indians
Card #: 259
Card Size: 2-1/2” x 3-3/4”
Card Value Snapshot: Raw/Ungraded: $15 | Grade 8: $200
⬇️ See More Pricing Data Below
Donald “Don” Louis Mossi was a left-handed pitcher who enjoyed a successful 12-season career in Major League Baseball from 1954 to 1965. He was known for his high strikeout-to-walk ratio, pinpoint control, and his distinctive appearance, which earned him the famous, if sometimes unkind, nicknames “Ears” and “The Sphinx.”
Mossi began his MLB journey with the Cleveland Indians in 1954. He was an integral part of one of the greatest pitching staffs in history that season, contributing to the Indians’ then-record 111 wins. Primarily used as a reliever, Mossi was highly effective, posting a stellar 1.94 ERA in his rookie year and making three scoreless appearances in the 1954 World Series. In 1957, following a transition to the starting rotation, he earned his only All-Star selection.
He was traded to the Detroit Tigers after the 1958 season, a move that allowed him to fully transition to a starting role. His most productive years followed, including a superb 1959 campaign where he went 17–9 with a 3.36 ERA, and another strong season in 1961 where he finished 15–7 with a 2.96 ERA for a 101-win Tigers team. He later finished his career with brief stints with the Chicago White Sox and the Kansas City Athletics.
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Pricing Data For This Rookie Card
Tracking the current market value for the 1955 Bowman Don Mossi Card #259. Below, find updated pricing data for ungraded (raw) copies, as well as verified PSA graded sales trends collected from secondary marketplaces.
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Raw/Ungraded: $15
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Grade 4: -
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Grade 5: $25
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Grade 6: $50
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Grade 7: $110
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Grade 8: $200
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Grade 9: $1,068
Data Updated: August 2026
➡️ See All 1955 Bowman Rookie Card Prices
Pricing data includes raw card price & some graded card value estimates.
These values are collated from a variety of resources including recently sold listings, sales averages and a variety of other sports card pricing data sources. Please see full disclaimer on “Terms Page” for more information. (Rookiecardprices.com only shows values for regular base set cards. No prices are shown for errors, parallels, subsets, misprints or other cards unless noted.)
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Did You Know? Breaking in as a rookie on the record-setting 111-win 1954 Cleveland Indians, Mossi paired with right-hander Ray Narleski to form one of the earliest dominant bullpen duos in baseball history. Mossi posted a sparkling 1.94 ERA in 40 games as a rookie. He was flawless in the 1954 World Series, pitching four scoreless innings across three appearances.
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