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Gravity Mountain
Super Electric Breaker

Gravity Mountain

Super Electric Breaker · Japanese · 138/106 ·Secret Rare
Illustration: AYUMI ODASHIMA →
Market value · English · Near Mint
£7.33
mostly £7 – £10 ·

What is Gravity Mountain 138/106 (Super Electric Breaker) worth?

As of 2026-10-24: In Near Mint, an English copy of Gravity Mountain 138/106 is worth about £7.33, based on 8 real sales.

  1. 1
    Real sales

    8 completed Near Mint sales from eBay, Goldin and Fanatics, each one checked on the listing page.

  2. 2
    Outliers out

    Prices far above or below the median are dropped: lots, fakes, mismatched cards.

  3. 3
    Recent counts more

    Newer sales weigh more than old ones, so the value follows the market, not the yearly average.

No estimate, no asking prices. Paid sales only.
Market price
£7.33
based on 8 sales
Price history · RAW
2026-07-20 · £3.58 £16.75 · 2026-10-13
Price per print
🇯🇵 Secret Rare · JA n=8 £8.71
How is this value calculated?
Ladder estimate · English · ~£13.85 gelb
Evidence pathSalesAgeValue vᵢWeight gᵢ
ja roh NM × 1.5935 (Sprach-Faktor aus 17 Karten)3 16 d £13.853.07
value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = £13.85 · Σ g = 3.07

Measured error for this era×language (backtest): ±20 %

Gate not green — shown only here, never as the price.

PSA Population

No PSA numbers for this print yet — in any language.

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All 138 cards in the set →
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—
Super Electric Breaker · #106 · U
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FAQ

Frequently asked questions

What will I get for Gravity Mountain Super Electric Breaker 138/106 if I want to sell quickly?

Half of all sales fell between £5.06 and £9.52, with a median of £6.70. Selling fast lands you nearer the lower end; with patience, good photos and a complete title the upper end is achievable.

Below which price is an offer for Gravity Mountain Super Electric Breaker 138/106 unrealistic?

The cheapest genuine sales were around £3.60. Offers well below £2.16 are typically fakes, mislabelled cards or a different variant — ask for photos of all four borders and a close-up of the surface.

How does Last Sold determine the market value?

Last Sold uses only real sales — eBay plus auction houses like Goldin & Fanatics — recent sales count more (recency weighting), outliers and fakes are removed. It's not an estimate but actual sold prices, separated by condition, language and grading.