Kaiju No. 8 (055) Union Arena Promotion Cards Union Rare Union Arena card — value and price

Kaiju No. 8 (055)

Union Arena Promotion Cards · Union Rare
Union Arena una:663174 TCGplayer (daily snapshot, 2026-08-05)
Fair market value
$26.24
Consensus of 1 market price guide. Typical $22.73 – $29.89.
Sources: TCGplayer (daily snapshot, 2026-08-05) · Near Mint, raw
Optimal buy
$24.30
Never pay above $25.37
Optimal sell
$27.68
Never sell below $26.67
Buy this card · aim to pay under $25.37
Find on eBay →TCGplayer →Buy on Amazon →Graded (PSA 10) →
When it arrives: a penny sleeve + toploader is all it takes to keep it Near Mint.
Penny sleevesToploaders

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Selling this card
Optimal sell $27.68 · never below $26.67. 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
Sleeve + toploader in a team bag, taped inside a bubble mailer, shipped with tracking.
Penny sleevesToploadersTeam bagsBubble mailersPainter’s tape
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Common questions
How much is Kaiju No. 8 (055) worth?

Kaiju No. 8 (055) from Union Arena Promotion Cards has a fair market value of about $26.24 (Near Mint, raw), based on a consensus of current market price guides.

What is the best price to sell Kaiju No. 8 (055)?

List around $27.68 to clear without leaving money on the table; that nets about $18.68 after fees and shipping.

What should I pay to buy Kaiju No. 8 (055)?

A disciplined buy target is about $24.30 — a discount to fair value that keeps an edge. Aim not to pay above $25.37.

Where can I buy Kaiju No. 8 (055)?

Kaiju No. 8 (055) is sold on eBay, TCGplayer, and Amazon. Compare live listings against the fair value of $26.24 and aim to pay under $25.37 — SplitShot links you straight to current listings at each marketplace.

Is now a good time to buy Kaiju No. 8 (055)?

Kaiju No. 8 (055) is trending stable lately. A disciplined entry is under $25.37; paying near or below $24.30 keeps a margin of safety versus the $26.24 fair value.

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