Mastemon (Rare Pull) Hackers' Slumber Secret Rare Digimon card — value and price

Mastemon (Rare Pull)

Hackers' Slumber · Secret Rare
Digimon dgm:656956 TCGplayer (daily snapshot, 2026-06-10)
Fair market value
$454.59
Consensus of 1 market price guide. Typical $393.77 – $517.78.
Sources: TCGplayer (daily snapshot, 2026-06-10) · Near Mint, raw
Optimal buy
$421.04
Never pay above $439.49
Optimal sell
$479.59
Never sell below $462.09
Buy this card · aim to pay under $439.49
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 $479.59 · never below $462.09. 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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