![Sea Monster of Theseus [1st Edition] RATE-EN081](https://pub-e029c42544494eb586bc1157aebfe64e.r2.dev/cards/yugioh/yugioh-raging-tempest/sea-monster-of-theseus-1st-edition-rate-en081.webp)
Sea Monster of Theseus [1st Edition] RATE-EN081 (YuGiOh Raging Tempest)
Sea Monster of Theseus [1st Edition] RATE-EN081 from YuGiOh Raging Tempest is worth about $22.92 raw (Near Mint) and $211 in PSA 10 as of Aug 24, 2026. Trade-in offers typically run $14–$19 raw.
Raw Trade-In Value by Condition
| Condition | Market | Cash Offer Range |
|---|---|---|
| Near Mint | $22.92 | $14 – $19 |
| Lightly Played | $18.34 | $11 – $16 |
| Moderately Played | $13.75 | $8 – $12 |
| Heavily Played | $9.17 | $6 – $8 |
| Damaged | $5.73 | $3 – $5 |
Your card’s condition directly affects its trade-in value. Most cards from binders are Lightly Played or better. Estimates based on standard condition discounts.
Graded Prices
| Grade | Price | Cash Offer Range |
|---|---|---|
| PSA 10 | $211 | $127 – $180 |
| PSA 9.5 | $114 | $68 – $97 |
| PSA 9 | $104 | $62 – $88 |
| PSA 8 | $52 | $31 – $44 |
| PSA 7 | $31 | $19 – $26 |
| BGS 10 | $275 | $165 – $234 |
| CGC 10 | $127 | $76 – $108 |
| SGC 10 | $127 | $76 – $108 |
Prices from PriceCharting & JustTCG · Updated Aug 24, 2026
How to Sell: Compare Your Options
| Route | Gross | Fees | Shipping | You Keep | Time |
|---|---|---|---|---|---|
| Sell to a Local Buyer | $14–$19 | $0 | $0 | $14–$19 | Same day |
| Sell on eBay | $22.92 | −$3.04 | −$5.00 | $14.88 | 2–4 wks |
| Sell on TCGplayer | $21.77 | −$2.37 | −$4.00 | $15.40 | 2–3 wks |
Local buyers found on Trade Into Cash typically pay 60–85% of market value with no fees. eBay: 13.25% final value fee. TCGplayer: 10.89% seller fee. Shipping estimated for standard tracked.
Should You Grade This Card?
Grading costs ~$25 + ~$18 shipping. Based on typical English card PSA submission results.
| Grade | Odds | Card Value | You Keep (Net) |
|---|---|---|---|
| PSA 10 | 15% | $211 | $140 |
| PSA 9 | 35% | $104 | $47 |
| PSA 8 | 30% | $52 | $-3 |
| Below 8 | 20% | $23 | $-28 |
"You Keep" = card value minus grading ($25), shipping (~$18), and eBay fees (13.25%) if you sell the graded card online. Compared against selling raw to a local buyer at ~72.5% of market (midpoint of 60–85%).
Sell This Card Locally
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The Sea Monster of Theseus [1st Edition] RATE-EN081 (YuGiOh Raging Tempest) currently trades at $22.92 raw. Find a local buyer on Trade Into Cash for same-day cash.