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Mudsdale · Staff Stamp
SM Black Star Promos

Mudsdale · Staff Stamp

SM Black Star Promos · SM20/248 ·Rare
Market value · English · Near Mint
$55.39

What is Mudsdale · Staff Stamp SM20/248 (SM Black Star Promos) worth?

As of 2026-10-26: In Near Mint, an English copy of Mudsdale · Staff Stamp SM20/248 is worth about $55.39, based on 1 real sales.

  1. 1
    Real sales

    1 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.
Origin: Prerelease / Build & Battle · Tournament / league play · Guardians Rising ≈
Market price
$55.39
based on 1 sales
How is this value calculated?
Ladder estimate · English · ~$10.19 gruen
Evidence pathSalesAgeValue vᵢWeight gᵢ
eigene rohe NM-Verkäufe2 2 mo $10.1916.33
value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = $10.19 · Σ g = 16.33

Measured error for this era×language (backtest): ±16 %

PSA Population

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

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Recent sales · 3
2026-10-07 EN CGC 9 2017 Pokemon Promo Mudsdale Guardians Rising Prerelease Staf · eBay $46.23
2026-09-22 EN CGC 7 SM Black Star Promo Mudsdale SM20 Guardians Rising Prereleas · eBay $58.57
2026-07-08 EN RAW NM Mudsdale SM20 STAFF Pre Release Promo Guardians Rising Poke $55.39
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FAQ

Frequently asked questions

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.