Super Rare

Blue Mountain Butterspy Number Hunters #NUMH-EN012

Card #NUMH-EN012

Market value · ungraded

$0.30

▼ 24.4% · 30d

1st Edition ~$0.68 · Unlimited ~$0.30

PSA 10

$40

133× raw

Blended from live market data · graded from real sold data
Confidence medium · estimate, not an appraisal · How we price →

Buy from here

TCGplayer ebay Cardmarket

Blue Mountain Butterspy is a Super Rare Yu-Gi-Oh! card from Number Hunters (#NUMH-EN012). Its current blended market value is $0.30 ungraded, with a PSA 10 worth around $40. Prices update from real market data.

Graded prices

Ungraded (raw)$0.30

PSA graded price estimates by grade
Grade	Relative value	Price
PSA 10		$40$40–$40
PSA 9		$7$7–$7

“Sold” = median of real recent sold listings at that grade (eBay or Fanatics Collect — hover a badge to see which). Other figures are blended marketplace estimates. Confidence reflects source backing and price spread — not PSA-official values.

Grade it or not

Not enough graded evidence yet — 0 graded sales recorded.

✨ Is it worth it?

An AI market read of this card — value, momentum, grading economics, liquidity. It lays out the data; you decide.

Price history · Raw

1 Oct 202121 Aug 2026

Latest

$0.30

Period high

$3.55

Period low

$0.24

Change

▼ 89.1%

Available to buy nowLive on eBay

Card details

Set: Number Hunters
Number: #NUMH-EN012
Rarity: Super Rare
Game: Yu-Gi-Oh!

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Where to buy & check prices

Check recent sold prices

eBay sold

Frequently asked questions

How much is Blue Mountain Butterspy worth?

Blue Mountain Butterspy (Number Hunters #NUMH-EN012) is worth around $0.30 ungraded, or about $40 in PSA 10, based on live Yu-Gi-Oh! market data.

What is a PSA 10 Blue Mountain Butterspy worth?

A PSA 10 Blue Mountain Butterspy sells for around $40, roughly 133× the ungraded price.

Where can I buy Blue Mountain Butterspy?

You can buy Blue Mountain Butterspy on TCGplayer, Cardmarket and eBay — see the live listings on this page. Always compare against the blended market value first.

What rarity is Blue Mountain Butterspy?

Blue Mountain Butterspy is a Super Rare Yu-Gi-Oh! card from the Number Hunters set.

Cite & embed this card

Free to use with attribution to CardTrack.

Citation

Blue Mountain Butterspy (Number Hunters #NUMH-EN012) — Yu-Gi-Oh! market value $0.30, PSA 10 $39.82. Source: CardTrack, https://cardtrack.com/yugioh/card/number-hunters/blue-mountain-butterspy-numh-en012

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<p style="font:12px system-ui">Source: <a href="https://cardtrack.com">CardTrack</a></p>