 | George Brett 1975 Topps Baseball #228 | Topps Baseball 1975 | PSA 7 $489 ▲9% | — | 77 |
 | George Brett 1976 Topps Baseball #19 | Topps Baseball 1976 | PSA 6 $44.99 ▼6% | — | 11 |
 | George Brett 1975 Topps Mini Baseball #228 | Topps Mini Baseball 1975 | PSA 7 $372 ▼7% | — | 11 |
 | George Brett 1977 Topps Baseball All-Star #580 | Topps Baseball 1977 | PSA 8 $80.00 ▼11% | — | 11 |
 | George Brett 1982 Topps Baseball #200 | Topps Baseball 1982 | PSA 8 $21.99 ▼15% | — | 8 |
 | George Brett 1979 Topps Baseball #330 | Topps Baseball 1979 | PSA 8 $42.25 ▲6% | — | 7 |
 | George Brett 1980 Topps Baseball #450 | Topps Baseball 1980 | PSA 9 $118 ▼2% | — | 6 |
 | George Brett 1981 Topps Baseball #700 | Topps Baseball 1981 | PSA 9 $60.00 ▲40% | — | 6 |
 | George Brett 1983 Donruss Baseball #338 | Donruss Baseball 1983 | PSA 9 $20.50 ▲3% | — | 4 |
 | George Brett 1978 Topps Baseball #100 | Topps Baseball 1978 | PSA 7 $32.00 ▲28% | — | 3 |
 | George Brett 1983 Topps Baseball #600 | Topps Baseball 1983 | PSA 9 $33.17 ▲14% | — | 3 |
 | George Brett 1984 Topps Baseball #500 | Topps Baseball 1984 | PSA 9 $24.00 ▼11% | — | 3 |
 | George Brett 1987 Topps Baseball #400 | Topps Baseball 1987 | PSA 9 $14.99 ▲0% | — | 3 |
 | George Brett 1975 SSPC Baseball #167 | SSPC Baseball 1975 | PSA 9 $46.00 ▼42% | — | 3 |
 | George Brett 1982 Fleer Baseball #405 | Fleer Baseball 1982 | PSA 10 $69.99 ▼3% | — | 3 |
 | George Brett 1993 Topps Baseball #397 | Topps Baseball 1993 | PSA 10 $44.99 ▲0% | — | 3 |
 | George Brett 1991 Topps Baseball #540 | Topps Baseball 1991 | PSA 10 $54.99 ▲28% | — | 3 |
 | George Brett 1994 Topps Baseball #180 | Topps Baseball 1994 | PSA 10 $59.99 — | — | 3 |
 | George Brett 1990 Fleer Baseball #103 | Fleer Baseball 1990 | PSA 10 $26.99 ▼4% | — | 3 |
 | George Brett 1983 Fleer Baseball #108 | Fleer Baseball 1983 | PSA 10 $64.97 ▼2% | — | 2 |
 | George Brett 1982 Topps Baseball #201 | Topps Baseball 1982 | PSA 9 $25.50 ▼7% | — | 2 |
 | George Brett 1992 Topps Baseball #620 | Topps Baseball 1992 | PSA 10 $33.50 — | — | 2 |
 | George Brett 1981 Fleer Baseball #655 | Fleer Baseball 1981 | PSA 10 $142 — | — | 2 |
 | George Brett 1982 Donruss Baseball #15 | Donruss Baseball 1982 | PSA 10 $74.00 — | — | 2 |
 | George Brett 1985 Topps Baseball #703 | Topps Baseball 1985 | PSA 10 $115 — | — | 2 |
 | George Brett 1989 Donruss Baseball #204 | Donruss Baseball 1989 | PSA 10 $39.00 — | — | 2 |
 | George Brett 1983 Topps Baseball #388 | Topps Baseball 1983 | PSA 10 $67.20 ▲3% | — | 1 |
 | George Brett 1991 Topps Baseball Desert Shield #540 | Topps Baseball 1991 | PSA 9 $355 — | — | 1 |
 | George Brett 1987 Donruss Baseball #15 | Donruss Baseball 1987 | PSA 10 $41.02 ▼19% | — | 1 |
 | George Brett 1986 Topps Baseball #714 | Topps Baseball 1986 | PSA 9 $18.05 — | — | 1 |
 | George Brett 1975 O-Pee-Chee Baseball #228 | O-Pee-Chee Baseball 1975 | PSA 4 $900 — | — | 1 |
 | George Brett 1988 Donruss Baseball #102 | Donruss Baseball 1988 | PSA 9 $11.99 ▼41% | — | 1 |
 | George Brett 1990 Upper Deck Baseball #124 | Upper Deck Baseball 1990 | PSA 9 $21.00 — | — | 1 |
 | George Brett 1986 Topps Baseball #300 | Topps Baseball 1986 | PSA 8 $20.00 ▲67% | — | 0 |
 | George Brett 1977 Topps Baseball Record Breaker #231 | Topps Baseball 1977 | PSA 9 $149 — | — | 0 |
 | George Brett 1985 Topps Baseball #100 | Topps Baseball 1985 | PSA 9 $29.00 ▼3% | — | 0 |
 | George Brett 1984 Donruss Baseball #53 | Donruss Baseball 1984 | PSA 9 $17.00 ▼15% | — | 0 |
 | George Brett 1989 Topps Baseball #200 | Topps Baseball 1989 | PSA 10 $34.99 ▼8% | — | 0 |
 | George Brett 1988 Topps Baseball #700 | Topps Baseball 1988 | PSA 10 $100 — | — | 0 |
 | George Brett / Rod Carew 1981 Donruss Baseball #537 | Donruss Baseball 1981 | PSA 9 $39.99 — | — | 0 |
 | George Brett 1985 Donruss Baseball #53 | Donruss Baseball 1985 | PSA 10 $81.09 ▼16% | — | 0 |
 | George Brett 1984 Fleer Baseball #344 | Fleer Baseball 1984 | PSA 9 $19.99 — | — | 0 |
 | George Brett 1981 Fleer Baseball Portrait #28 | Fleer Baseball 1981 | PSA 9 $25.00 — | — | 0 |
 | George Brett 1991 Donruss Baseball #2 | Donruss Baseball 1991 | PSA 8 $171 — | — | 0 |
 | George Brett 1987 Donruss Baseball #54 | Donruss Baseball 1987 | PSA 9 $14.99 ▼12% | — | 0 |
 | George Brett 1986 Donruss Baseball #53 | Donruss Baseball 1986 | PSA 10 $41.00 — | — | 0 |
 | George Brett 1984 Topps Baseball #399 | Topps Baseball 1984 | PSA 9 $19.95 — | — | 0 |
 | George Brett 1986 Topps Tiffany Baseball #300 | Topps Tiffany Baseball 1986 | PSA 9 $68.00 — | — | 0 |
 | George Brett 1991 Upper Deck Baseball #525 | Upper Deck Baseball 1991 | PSA 10 $18.49 ▼46% | — | 0 |
 | George Brett / Bill Buckner 1981 Topps Baseball #1 | Topps Baseball 1981 | PSA 9 $29.99 — | — | 0 |
 | George Brett 1993 Donruss Elite Baseball #15 | Donruss Elite Baseball 1993 | PSA 10 $398 — | — | 0 |
 | George Brett 1993 Topps Finest Baseball Refractor #63 | Topps Finest Baseball 1993 | PSA 9 $636 — | — | 0 |
 | George Brett / Larry Gura 1982 Topps Baseball #96 | Topps Baseball 1982 | PSA 9 $24.95 — | — | 0 |
 | George Brett 1977 O-Pee-Chee Baseball #170 | O-Pee-Chee Baseball 1977 | PSA 8 $146 — | — | 0 |
 | George Brett 1979 O-Pee-Chee Baseball #167 | O-Pee-Chee Baseball 1979 | PSA 8 $15.27 — | — | 0 |
 | George Brett 1991 Topps Baseball Record Breaker #2 | Topps Baseball 1991 | PSA 9 $194 — | — | 0 |
 | George Brett 2025 Bowman Baseball #BA-13 | Bowman Baseball 2025 | PSA 9 $263 — | — | 0 |
 | George Brett 1984 Topps Drake's Big Hitters Baseball #3 | Topps Drake's Big Hitters Baseball 1984 | PSA 10 $300 — | — | 0 |
 | George Brett 2024 Topps Heritage Baseball Red Ink #ROA-GB | Topps Heritage Baseball 2024 | PSA 9 $1,200 — | — | 0 |
 | George Brett 2025 Topps Heritage Baseball #76RO-GB | Topps Heritage Baseball 2025 | PSA 9 $275 — | — | 0 |
 | George Brett 1981 Topps Stickers Baseball #243 | Topps Stickers Baseball 1981 | PSA 10 $300 — | — | 0 |
 | George Brett 2024 Topps Tribute Baseball Red #PTGA-B | Topps Tribute Baseball 2024 | PSA 10 $242 — | — | 0 |
