Swamp Thing #100 (1990) — Comic Book Value
Swamp ThingWhat Swamp Thing #100 (1990) is worth — ungraded and CGC graded (6.0, 8.0).
Swamp Thing #100 (1990) value — Ungraded $5 · Grade 6.0 $13 · Grade 8.0 $20. Prices updated August 2026.
Series · Swamp Thing
Live on eBay now
Value by grade
$5
Ungraded
2.6×
$13
Grade 6.0
4.0×
$20
Grade 8.0
Real sold prices per grade — the Grade 8.0 premium on this card is 4.0× raw.
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Item details
- Series
- Swamp Thing
Swamp Thing #100 (1990) comic value
An ungraded copy of Swamp Thing #100 (1990) averages around $5. A CGC 6.0 runs about $13, and a CGC 8.0 commands $20.
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 | $5 | eBay sold comps |
| Grade 6.0 | $13 | eBay sold comps |
| Grade 8.0 | $20 | eBay sold comps |
Frequently asked questions
- What is the starting price for Swamp Thing #100?
- An ungraded copy of Swamp Thing #100 is currently listed with a starting value of $5.
- How much more is a Grade 8.0 worth compared to an ungraded copy?
- A Grade 8.0 copy is valued at $18, which is $13 more than the ungraded starting price of $5.
- Can I find a Grade 6.0 copy of this issue?
- Yes, a Grade 6.0 copy of Swamp Thing #100 is listed with a resale value of $11.