Swamp Thing #66 (1987) — Comic Book Value
Swamp ThingWhat Swamp Thing #66 (1987) is worth — ungraded and CGC graded (6.0, 8.0).
Swamp Thing #66 (1987) value — Ungraded $4 · Grade 6.0 $12 · Grade 8.0 $19. Prices updated August 2026.
Real sold prices per grade — the Grade 8.0 premium on this card is 4.8× raw.
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Item details
- Series
- Swamp Thing
Swamp Thing #66 (1987) comic value
An ungraded copy of Swamp Thing #66 (1987) averages around $4. A CGC 6.0 runs about $12, and a CGC 8.0 commands $19.
What drives the price
Grade is everything in comics — spine ticks, page color, and restoration decide the number, and the jump from raw to high grade can be 10×+. Key issues (first appearances, origins, deaths) carry the biggest premiums, and early printings beat reprints.
Price guide
Sold values by grade vs. what sellers ask today
| Condition | Value | Based on |
|---|---|---|
| Ungraded | $4 | eBay sold comps |
| Grade 6.0 | $12 | eBay sold comps |
| Grade 8.0 | $19 | eBay sold comps |
| Live asking — low / typical / high | $3.8 / $16.95 / $19 | 6 live eBay listings ↗ |
Market check: As of July 16, 2026, 6 live eBay listings ask $3.80–$19.00 (median $16.95).
Frequently asked questions
- What is the starting price for Swamp Thing #66?
- The ungraded version is available, and a Grade 6.0 copy is listed for $11.
- How much more is a Grade 8.0 worth compared to an ungraded copy?
- A Grade 8.0 copy sells for $19, showing a significant value increase over the ungraded state.
- Is there a difference in price between the 6.0 and 8.0 grades?
- Yes, the Grade 8.0 is priced higher at $19 compared to the $11 price point for the Grade 6.0.