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Secret Six (1968 - 1969)
National Periodical Publications, 7 issues
| Issue | GD | VG | FN | VF | NM | NM/MT |
|---|---|---|---|---|---|---|
| $9.45 | $18.20 | $35.80 | $80.60 | $288.00 | $1,600.00 | |
| $2.25 | $4.20 | $7.70 | $17.90 | $84.00 | $493.00 | |
| $3.25 | $5.75 | $11.20 | $26.50 | $145.00 | $606.00 | |
| $2.55 | $4.85 | $9.10 | $20.50 | $150.00 | $720.00 | |
| $2.35 | $4.85 | $9.25 | $21.60 | $133.00 | $606.00 | |
| $2.45 | $4.65 | $9.15 | $20.00 | $131.00 | $474.00 | |
| $2.30 | $5.00 | $8.25 | $18.80 | $112.00 | $480.00 |
