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Kobra (1976 - 1977)
National Periodical Publications, 7 issues
| Issue | GD | VG | FN | VF | NM | NM/MT |
|---|---|---|---|---|---|---|
| $2.90 | $5.60 | $8.55 | $16.00 | $55.20 | $248.00 | |
| $0.55 | $0.85 | $0.95 | $1.50 | $5.95 | $26.50 | |
| $0.55 | $1.05 | $1.65 | $2.50 | $7.85 | $37.20 | |
| $0.45 | $0.75 | $1.10 | $1.85 | $5.70 | $26.10 | |
| $0.65 | $1.30 | $2.35 | $3.70 | $11.40 | $55.40 | |
| $0.45 | $0.75 | $1.20 | $1.70 | $5.05 | $26.60 | |
| $0.65 | $1.60 | $2.40 | $4.00 | $12.50 | $60.40 |