Koby (Treasure Cup) One Piece Promotion Cards C One Piece card — value and price

Koby (Treasure Cup)

One Piece Promotion Cards · C
One Piece op:535277 TCGplayer (daily snapshot, 2026-07-24)
Fair market value
$399.49
Consensus of 1 market price guide. Typical $340.51 – $462.73.
▲ 7% · 35d
Sources: TCGplayer (daily snapshot, 2026-07-24) · Near Mint, raw
Optimal buy
$369.67
Never pay above $386.07
Optimal sell
$422.78
Never sell below $406.48
Buy this card · aim to pay under $386.07
Find on eBay → TCGplayer → Buy on Amazon → Graded (PSA 10) →
When it arrives: a card at this value belongs in a sleeve inside a magnetic one-touch, out of sunlight.
Magnetic one-touch holderPenny sleeves

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Selling this card
Optimal sell $422.78 · never below $406.48. 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.Whatnot~8% + paymentLive-auction app; strong for breaks, lots, and fast sales.
Shipping & protection supplies
High value — use a sleeve + one-touch (or toploader) inside a rigid mailer, tracked, with signature confirmation.
Penny sleevesMagnetic one-touch holderToploadersBubble mailersRigid/cardboard mailerPainter’s tape
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Common questions
How much is Koby (Treasure Cup) worth?

Koby (Treasure Cup) from One Piece Promotion Cards has a fair market value of about $399.49 (Near Mint, raw), based on a consensus of current market price guides.

What is the best price to sell Koby (Treasure Cup)?

List around $422.78 to clear without leaving money on the table; that nets about $352.42 after fees and shipping.

What should I pay to buy Koby (Treasure Cup)?

A disciplined buy target is about $369.67 — a discount to fair value that keeps an edge. Aim not to pay above $386.07.

Where can I buy Koby (Treasure Cup)?

Koby (Treasure Cup) is sold on eBay, TCGplayer, and Amazon. Compare live listings against the fair value of $399.49 and aim to pay under $386.07 — SplitShot links you straight to current listings at each marketplace.

Is now a good time to buy Koby (Treasure Cup)?

Koby (Treasure Cup) is trending stable lately. A disciplined entry is under $386.07; paying near or below $369.67 keeps a margin of safety versus the $399.49 fair value.

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