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Mermail King - Neptabyss (Quarter Century Secret Rare) Rage of the Abyss #ROTA-EN046 Yu-Gi-Oh! card
Quarter Century Secret Rare

Mermail King - Neptabyss (Quarter Century Secret Rare) Rage of the Abyss #ROTA-EN046

Card #ROTA-EN046
Market value · ungraded
$12.54
▼ 3.5% · 30d
PSA 10
$105
8× raw
Blended from live market data · graded from real sold data
Confidence medium · estimate, not an appraisal · How we price →
Buy from here
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Mermail King - Neptabyss (Quarter Century Secret Rare) is a Quarter Century Secret Rare Yu-Gi-Oh! card from Rage of the Abyss (#ROTA-EN046). Its current blended market value is $12.54 ungraded, with a PSA 10 worth around $105. Prices update from real market data.

Graded prices
Ungraded (raw)$12.54
PSA graded price estimates by grade
GradeRelative valuePrice
PSA 10$105$105–$105
PSA 9$64$64–$64
“Sold” = median of real recent sold listings at that grade (eBay or Fanatics Collect — hover a badge to see which). Other figures are blended marketplace estimates. Confidence reflects source backing and price spread — not PSA-official values.

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Price history · Raw

1 Oct 202421 Aug 2026
Latest
$12.54
Period high
$32.62
Period low
$12.54
Change
▼ 61.6%
Available to buy nowLive on eBay

Card details

Set
Rage of the Abyss
Number
#ROTA-EN046
Rarity
Quarter Century Secret Rare
Game
Yu-Gi-Oh!

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All Rage of the Abyss cards →

Where to buy & check prices

Check recent sold prices
eBay sold

Frequently asked questions

How much is Mermail King - Neptabyss (Quarter Century Secret Rare) worth?

Mermail King - Neptabyss (Quarter Century Secret Rare) (Rage of the Abyss #ROTA-EN046) is worth around $12.54 ungraded, or about $105 in PSA 10, based on live Yu-Gi-Oh! market data.

What is a PSA 10 Mermail King - Neptabyss (Quarter Century Secret Rare) worth?

A PSA 10 Mermail King - Neptabyss (Quarter Century Secret Rare) sells for around $105, roughly 8× the ungraded price.

Where can I buy Mermail King - Neptabyss (Quarter Century Secret Rare)?

You can buy Mermail King - Neptabyss (Quarter Century Secret Rare) on TCGplayer, Cardmarket and eBay — see the live listings on this page. Always compare against the blended market value first.

What rarity is Mermail King - Neptabyss (Quarter Century Secret Rare)?

Mermail King - Neptabyss (Quarter Century Secret Rare) is a Quarter Century Secret Rare Yu-Gi-Oh! card from the Rage of the Abyss set.

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Citation
Mermail King - Neptabyss (Quarter Century Secret Rare) (Rage of the Abyss #ROTA-EN046) — Yu-Gi-Oh! market value $12.54, PSA 10 $104.89. Source: CardTrack, https://cardtrack.com/yugioh/card/rage-of-the-abyss/mermail-king-neptabyss-quarter-century-secret-rare-rota-en046
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<iframe src="https://cardtrack.com/embed/card?id=yugioh-rage-of-the-abyss-mermail-king-neptabyss-quarter-century-secret-rare-quarter-century-secret-rare" width="100%" height="160" style="border:0;max-width:460px" title="Mermail King - Neptabyss (Quarter Century Secret Rare) price — CardTrack" loading="lazy"></iframe> <p style="font:12px system-ui">Source: <a href="https://cardtrack.com">CardTrack</a></p>