Issue cover. Verify the exact issue, printing, and cover before buying.
DC · Copper Age · 1985
Saga of the Swamp Thing #37
DC · 1985
Noted for: John Constantine
KEY ISSUEShop this issue
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What is Saga of the Swamp Thing #37 worth?
The Saga of the Swamp Thing #37 is a DC 1985 graded comic. Based on 6 verified eBay sold listings from the last 90 days, recent graded examples have sold for $299 to $505. CGC 9 examples are the most actively traded grade in this sample, with a recent median around $452.
Before you buy
Verify the issue and printing, check the grader certification, review restoration notes, and compare recent sold examples in the same grade.
The Saga of the Swamp Thing #37 in context
Why collectors care
The Saga of the Swamp Thing #37 (1985) is the first full appearance of John Constantine, one of the most important Copper Age DC keys and the debut of a character with his own lasting franchise.
How to identify it
A 1985 first printing of the second Swamp Thing series. Confirm the issue and edition.
Common mistakes
Later printings exist; check the indicia. Do not confuse the second-series numbering with the first series.
Grade considerations
High-grade copies with white pages are scarcer than the era suggests, which is where the premium concentrates.
Sold price summary
6 verified eBay sales from the last 90 days, grouped by grade.
- Source
- eBay sold listings
- Sample
- 6 sales
- Window
- Last 90 days
- Last checked
- Jun 25, 2026
| Grade | Sales | Median | Range |
|---|---|---|---|
| CGC 9 | 4 | $452 | $330 to $505 |
| CGC 8.0 | 1 | $300 | N/A |
| CGC 9.0 | 1 | $299 | N/A |
How this summary is built+
Inclusion
All 6 eBay sold (completed) listings we have for this item from the last 90 days, grouped by grader and grade. Asking prices and active listings are never counted.
Outlier handling
Within any grade that has four or more sales, a price below one-third of, or above three times, the within-grade median is set aside before the median is taken. No sales were set aside for this item.
| Grade | Sales | Included | Set aside |
|---|---|---|---|
| CGC 9 | 4 | 4 | 0 |
| CGC 9.0 | 1 | 1 | 0 |
| CGC 8.0 | 1 | 1 | 0 |
Shipping and fees
Figures are the sale prices as recorded by the marketplace. They are not adjusted for shipping, taxes, or seller fees, so treat them as sale-price reference points, not net-to-seller or all-in buyer costs.
Provenance
Every sale in this summary traces to an individual eBay listing, shown in the sold-listings table lower on this page. Methodology version 2026.1. Read the full methodology.
Saga of the Swamp Thing #37 value FAQ
What is Saga of the Swamp Thing #37 worth?+
Based on 6 verified eBay sold listings from the last 90 days, graded examples have recently sold for $299 to $505.
What grade sells most often for Saga of the Swamp Thing #37?+
CGC 9 is the most actively traded grade in the current sample, with 4 sales and a recent median around $452.
What is the highest median grade for Saga of the Swamp Thing #37?+
CGC 9 has the highest median in the current sample at about $452. Treat this as a sold-comp snapshot, not a guaranteed sale price.
Is Saga of the Swamp Thing #37 worth grading?+
For this comic, compare the likely raw value, grading fees, shipping, and the median for the grade you realistically expect. Grading usually makes sense only when the expected graded value clears those costs.
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