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, 2026-07-24)
Fair market value
$57.19
Consensus of 1 market price guide. Typical $49.22 – $65.57.
→ 1% · 35d
Sources: TCGplayer (daily snapshot, 2026-07-24) · Near Mint, raw
Optimal buy
$52.95
Never pay above $55.28
Optimal sell
$60.40
Never sell below $58.15
Buy this card · aim to pay under $55.28
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 $60.40 · never below $58.15. 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
Related cards
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All Mastemon (Alternate Art) printings →More Hackers' Slumber →
Common questions
How much is Mastemon (Alternate Art) worth?

Mastemon (Alternate Art) from Hackers' Slumber has a fair market value of about $57.19 (Near Mint, raw), based on a consensus of current market price guides.

What is the best price to sell Mastemon (Alternate Art)?

List around $60.40 to clear without leaving money on the table; that nets about $47.15 after fees and shipping.

What should I pay to buy Mastemon (Alternate Art)?

A disciplined buy target is about $52.95 — a discount to fair value that keeps an edge. Aim not to pay above $55.28.

Where can I buy Mastemon (Alternate Art)?

Mastemon (Alternate Art) is sold on eBay, TCGplayer, and Amazon. Compare live listings against the fair value of $57.19 and aim to pay under $55.28 — SplitShot links you straight to current listings at each marketplace.

Is now a good time to buy Mastemon (Alternate Art)?

Mastemon (Alternate Art) is trending stable lately. A disciplined entry is under $55.28; paying near or below $52.95 keeps a margin of safety versus the $57.19 fair value.

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