Mark of the Black Widow - GEM021 — Rainbow Foil GEM Pack 1 Promo Flesh and Blood card — value and price

Photo is the marketplace stock image and may show either finish — this value is for the Rainbow Foil printing.

Mark of the Black Widow - GEM021 — Rainbow Foil

GEM Pack 1 · Promo
Flesh and Blood fab:614975 TCGplayer (daily snapshot, 2026-09-10)
Fair market value
$9.87
Consensus of 1 market price guide. Typical $7.54 – $12.21.
▼ 20% · 47d
Sources: TCGplayer (daily snapshot, 2026-09-10) · Near Mint, raw
Optimal buy
$8.89
Never pay above $9.43
Optimal sell
$10.45
Never sell below $10.04
Buy this card · aim to pay under $9.43
TCGplayer →Find on eBay →Graded (PSA 10) →Amazon: sealed →

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Selling this card
Optimal sell $10.45 · never below $10.04. 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.
Shipping & protection supplies
Low value — a sleeve in a plain/bubble mailer is plenty; tracking optional under ~$20.
Penny sleevesBubble mailers

Amazon Business Free to join and gives bulk pricing on sleeves, toploaders and mailers — worth it if you ship cards often.

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Common questions
How much is Mark of the Black Widow - GEM021 — Rainbow Foil worth?

Mark of the Black Widow - GEM021 — Rainbow Foil from GEM Pack 1 has a fair market value of about $9.87 (Near Mint, raw), based on a consensus of current market price guides.

What is the best price to sell Mark of the Black Widow - GEM021 — Rainbow Foil?

List around $10.45 to clear without leaving money on the table; that nets about $7.69 after fees and shipping.

What should I pay to buy Mark of the Black Widow - GEM021 — Rainbow Foil?

A disciplined buy target is about $8.89 — a discount to fair value that keeps an edge. Aim not to pay above $9.43.

Where can I buy Mark of the Black Widow - GEM021 — Rainbow Foil?

Mark of the Black Widow - GEM021 — Rainbow Foil is sold on eBay, TCGplayer, and Amazon. Compare live listings against the fair value of $9.87 and aim to pay under $9.43 — SplitShot links you straight to current listings at each marketplace.

Is now a good time to buy Mark of the Black Widow - GEM021 — Rainbow Foil?

Mark of the Black Widow - GEM021 — Rainbow Foil is trending falling ~7% (7d vs 30d) lately. A disciplined entry is under $9.43; paying near or below $8.89 keeps a margin of safety versus the $9.87 fair value.

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