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Secret Six (1968 - 1969)
National Periodical Publications, 7 issues
| Issue | GD | VG | FN | VF | NM | NM/MT |
|---|---|---|---|---|---|---|
| $9.20 | $18.20 | $35.30 | $80.00 | $288.00 | $1,580.00 | |
| $2.15 | $4.10 | $7.60 | $17.60 | $84.00 | $515.00 | |
| $3.25 | $5.85 | $11.20 | $26.50 | $141.00 | $606.00 | |
| $2.55 | $4.85 | $9.10 | $20.60 | $147.00 | $720.00 | |
| $2.80 | $5.75 | $10.90 | $25.40 | $151.00 | $606.00 | |
| $2.45 | $4.65 | $8.95 | $19.80 | $124.00 | $478.00 | |
| $2.30 | $4.90 | $8.20 | $18.80 | $109.00 | $484.00 |
