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

Mastemon (Alternate Art)

Hackers' Slumber · Secret Rare
Digimon dgm:657004 TCGplayer (daily snapshot, 2026-06-10)
Fair market value
$58.47
Consensus of 1 market price guide. Typical $50.65 – $66.60.
Sources: TCGplayer (daily snapshot, 2026-06-10) · Near Mint, raw
Optimal buy
$54.15
Never pay above $56.53
Optimal sell
$61.69
Never sell below $59.43
Buy this card · aim to pay under $56.53
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 $61.69 · never below $59.43. 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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All Mastemon (Alternate Art) printings →More Hackers' Slumber →

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