1959 Warren Spahn PSA 10Topps · $6,013+86.84%
1958 Warren Spahn PSA 10Topps · $6,693+58.95%
1961 Warren Spahn PSA 10Topps · $3,953+52.61%
1959 Warren Spahn PSA 10Topps · $4,381+30.34%
1957 Warren Spahn PSA 10Topps · $7,879+26.50%
1955 Warren Spahn PSA 10Topps · $9,526+19.72%
1965 Warren Spahn PSA 10Topps · $2,615+18.71%
1962 Warren Spahn PSA 10Topps · $2,301+12.52%
1953 Warren Spahn PSA 10Johnston Cookies Braves · $5,562+8.55%
1953 Warren Spahn PSA 10Topps · $14,664-20.30%
1951 Warren Spahn PSA 10Bowman · $21,868-19.93%
1964 Warren Spahn PSA 10Topps Giants · $2,077-12.62%
1948 Warren Spahn PSA 10Bowman · $54,970-11.99%
1963 Warren Spahn PSA 10Fleer · $2,980-9.94%
1960 Warren Spahn PSA 10Topps · $4,852-9.63%
1950 Warren Spahn PSA 10Bowman · $15,963-7.96%
1963 Warren Spahn PSA 10Topps · $3,907-7.73%Value-weighted index, base 100 at the window start: the sum of the basket's observed values against the prior day's, chained daily, each card's move capped so one outlier can't dominate. Values come from real comparable sales resolved on Slabline card pages. The window deepens automatically as history accumulates. Long-run history reflects the 2 most-traded cards in this basket; the recent window covers all 30 tracked cards. Not investment advice.