Duality Battles of Legend: Monstrous Revenge Secret Rare Yu-Gi-Oh! card — value and price

Duality

Battles of Legend: Monstrous Revenge · Secret Rare
Yu-Gi-Oh! ygo:39973386 TCGplayer + Cardmarket + eBay
Fair market value
$4.09
Consensus of 3 market price guides. Typical $2.25 – $6.46.
▼ 25% · 47d
Sources: TCGplayer + Cardmarket + eBay · Near Mint, raw
Optimal buy
$3.61
Never pay above $3.87
Optimal sell
$4.45
Never sell below $4.20
Buy this card · aim to pay under $3.87
TCGplayer →Find on eBay →Graded (PSA 10) →Amazon: sealed →

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Selling this card
Optimal sell $4.45 · never below $4.20. Value your copy for the live net-after-fees calculator.
Where to sell
eBay~13.25% + $0.30Largest audience; on any listing use “Sell one like this” to prefill yours.TCGplayer~10–11%Best for singles; buyers expect competitive, data-driven pricing.
Shipping & protection supplies
Low value — a sleeve in a plain/bubble mailer is plenty; tracking optional under ~$20.
Penny sleevesBubble mailers

Amazon Business Free to join and gives bulk pricing on sleeves, toploaders and mailers — worth it if you ship cards often.

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Common questions
How much is Duality worth?

Duality from Battles of Legend: Monstrous Revenge has a fair market value of about $4.09 (Near Mint, raw), based on a consensus of current market price guides.

What is the best price to sell Duality?

List around $4.45 to clear without leaving money on the table; that nets about $2.47 after fees and shipping.

What should I pay to buy Duality?

A disciplined buy target is about $3.61 — a discount to fair value that keeps an edge. Aim not to pay above $3.87.

Where can I buy Duality?

Duality is sold on eBay, TCGplayer, and Amazon. Compare live listings against the fair value of $4.09 and aim to pay under $3.87 — SplitShot links you straight to current listings at each marketplace.

Is now a good time to buy Duality?

Duality is trending falling ~6% (7d vs 30d) lately. A disciplined entry is under $3.87; paying near or below $3.61 keeps a margin of safety versus the $4.09 fair value.

Estimate for guidance, not an appraisal. Value your exact copy →