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Secret Six (1968 - 1969)
National Periodical Publications, 7 issues
| Issue | GD | VG | FN | VF | NM | NM/MT |
|---|---|---|---|---|---|---|
| $9.00 | $18.00 | $34.50 | $78.60 | $285.00 | $1,540.00 | |
| $2.05 | $4.00 | $7.40 | $17.10 | $84.00 | $540.00 | |
| $3.25 | $5.95 | $11.20 | $26.50 | $138.00 | $606.00 | |
| $2.55 | $4.85 | $9.10 | $20.70 | $145.00 | $720.00 | |
| $2.80 | $5.85 | $10.90 | $25.50 | $147.00 | $606.00 | |
| $2.40 | $4.55 | $8.75 | $19.40 | $119.00 | $480.00 | |
| $2.30 | $4.80 | $8.10 | $18.60 | $107.00 | $486.00 |
