Sea Serpent #373 — Magic 30th Anniversary Card Value
Magic 30th AnniversaryWhat the Sea Serpent #373 card from Magic 30th Anniversary is worth — ungraded and graded (PSA 10).
Sea Serpent #373 value — Ungraded $0 · Grade 9 $9 · PSA 10 $17. Prices updated July 2026.
Set · Magic 30th AnniversaryGame · Magic
Live on eBay now
↘ Falling · -95%
Value by grade
$9
Grade 9
+89%
$17
PSA 10
Real sold prices per grade — the PSA 10 premium on this card is 1.9× raw.
Complete-in-box price history
Monthly CIB value, based on sold comps.
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Item details
- Brand
- Magic
- Set
- Magic 30th Anniversary
- Game
- Magic
Sea Serpent #373 (Magic 30th Anniversary) card value
An ungraded Sea Serpent #373 from Magic 30th Anniversary averages around $0. A Grade 9 copy runs about $9, and a PSA 10 gem-mint commands $17.
What drives the price
Centering, corners, edges, and surface decide a card's grade — and the grade decides the price. The jump from raw to PSA 10 can be 5–20×, so condition is everything. Holos, first editions, and shadowless prints carry the biggest premiums.
Price guide
Sold values by grade vs. what sellers ask today
| Condition | Value | Based on |
|---|---|---|
| Ungraded | $0 | eBay sold comps |
| Grade 9 | $9 | eBay sold comps |
| PSA 10 | $17 | eBay sold comps |
Frequently asked questions
- What is the starting resale value for Sea Serpent #373?
- The ungraded version of Sea Serpent #373 is currently listed with a value of $0.
- How much is a PSA 10 copy of this card worth?
- A PSA 10 graded copy of Sea Serpent #373 from the Magic 30th Anniversary set sells for $17.
- Is there a noticeable difference in price between a Grade 9 and an ungraded copy?
- Yes, a Grade 9 copy is valued at $9, showing a clear increase over the ungraded listing of $0.
