| Grade | PSA | CGC | Total | Price |
|---|---|---|---|---|
| 1 | - | - | - | |
| 2 | - | - | - | |
| 3 | - | - | - | |
| 4 | - | - | - | |
| 5 | 1 | - | 1 | |
| 6 | 3 | - | 3 | |
| 7 | 1 | - | 1 | |
| 8 | 4 | - | 4 | $9.50 |
| 9 | 5 | - | 5 | $24.79 |
| 10 | 22 | - | 22 | $30.00 |
| Total | 36 | - | 36 |
Population data for Ground Breaking #677 1991 Upper Deck comes from PSA and CGC.
The population counts are updated monthly.
Half grade populations are included in the nearest whole grade numbers. For example: 8.5 is counted in 8.
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