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  6. Neptabyss, the Atlantean Prince (Quarter Century Secret Rare)

Yu-Gi-Oh! · Quarter Century Bonanza · #RA03-EN013 · Quarter Century Secret Rare

Neptabyss, the Atlantean Prince (Quarter Century Secret Rare)

Yu-Gi-Oh! card price for Neptabyss, the Atlantean Prince (Quarter Century Secret Rare): $9.87 market, from $9.87 at the cheapest listing, 1st Edition printing, updated Oct 19, 2026. Full price history since Nov 5, 2024 below.

Market price · 1st Edition · Oct 19, 2026
$9.87
+43.3% this week · +76.3% in 30 days
Buy on eBay →
1 day0.0%
7 days+43.3%
30 days+76.3%
90 days+51.2%
1 year+146.8%
All time−75.3%

Sellers right now

$9.87lowest listing$95.78highest
Market price$9.87
Mid listing$58.90
30-day avg$6.48

Market price is what a near-mint copy actually sold for. The cheapest listing is what a seller asks today — on thin markets the two differ a lot.

Where to buy

TCGplayer$9.87

One year

$4.1152-week low$9.8752-week high
In the range100%
All-time low$3.26
All-time high$39.99
First priceNov 5, 2024
1st Edition · market price
$1.18$15.34$29.50$43.65
$9.87
Nov 2024Jun 2025Feb 2026Oct 2026
TCGplayer market price · via tcgcsvtcgrate.com

Price story

Neptabyss, the Atlantean Prince (Quarter Century Secret Rare) was released in November 2024. Launch-week prices are left out here: before supply arrives they are mostly guesses. In the last year the price changed +147% and ranged from $4.11 to $9.87, and it now trades near the top of that range. The cheapest listing right now is $9.87, and the 30-day average market price is $6.48.

Printings

PrintingMarketLowHigh7d
1st Edition$9.87$9.87$95.78+43.3%

The card in play

ATK800
DEF0
Card type
Effect Monster
Attribute
WATER
Monster type
Sea Serpent
Card text

You can send 1 "Atlantean" monster from your Deck to the Graveyard, except "Neptabyss, the Atlantean Prince"; add 1 "Atlantean" card from your Deck to your hand, except "Neptabyss, the Atlantean Prince". If this card is sent to the Graveyard to activate a WATER monster's effect: Target 1 "Atlantean" monster in your Graveyard, except "Neptabyss, the Atlantean Prince"; Special Summon it. You can only use each effect of "Neptabyss, the Atlantean Prince" once per turn.

Other printings of Neptabyss, the Atlantean Prince

8 more · $0.12 – $9.87
All printings
Neptabyss, the Atlantean Prince (Platinum Secret Rare) (RA03-EN013), Quarter Century Bonanza — Yu-Gi-Oh! card price 0.0% 7d Neptabyss, the Atlantean Prince (Platinum Secret Rare) Quarter Century Bonanza · #RA03-EN013 $1.10 Neptabyss, the Atlantean Prince (MP16-EN236), 2016 Mega-Tins Mega Pack — Yu-Gi-Oh! card price 0.0% 7d Neptabyss, the Atlantean Prince 2016 Mega-Tins Mega Pack · #MP16-EN236 $1.06 Neptabyss, the Atlantean Prince (PUR) (RA03-EN013), Quarter Century Bonanza — Yu-Gi-Oh! card price +4.2% 7d Neptabyss, the Atlantean Prince (PUR) Quarter Century Bonanza · #RA03-EN013 $0.74 Neptabyss, the Atlantean Prince (PCR) (RA03-EN013), Quarter Century Bonanza — Yu-Gi-Oh! card price +2.0% 7d Neptabyss, the Atlantean Prince (PCR) Quarter Century Bonanza · #RA03-EN013 $0.51 Neptabyss, the Atlantean Prince (BOSH-EN092), Breakers of Shadow — Yu-Gi-Oh! card price +11.4% 7d Neptabyss, the Atlantean Prince Breakers of Shadow · #BOSH-EN092 $0.39

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