Machamp · Staff Stamp

Staff Promos · SWSH243

Illustration: GOSSAN → All Staff Stamp cards →

Origin: Staff-Exemplar bei Turnieren und Prereleases · Tournament / league play · SWSH Black Star Promos

Unlimited · 2019 SWSH Black Star Promos · SWSH243 $3.89

Market price

$394.24

based on 1 sales

Price history · RAW

2026-04-21 · $315.39 $419.09 · 2026-06-11

How is this value calculated?

Direct market value · $394.24

Recency-weighted trimmed median of 1 NM sales (RAW; outliers trimmed against the median, newer sales weigh more, dynamic half-life).

Ladder estimate · Italiano · ~$400.04 rot staff

Evidence path	Sales	Age	Value vᵢ	Weight gᵢ
eigene rohe NM-Verkäufe	2	4 mo	$400.04	16.33

value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = $400.04 · Σ g = 16.33

Measured error for this era×language (backtest): ±169 %

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

PSA Population

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

Recent sales · 4

2026-06-11	IT	RAW NM	STAFF Machamp SWSH243 Holo Lost Origin Prerelease Promo Poke · eBay	$419.09
2026-05-14	IT	RAW UNKNOWN	Pokemon Machamp SWSH243 Staff Stamp PreRelease Lost Origin - · eBay	$315.39
2026-05-04	IT	RAW NM	Pokemon TCG Machamp SWSH243 STAFF Stamp Lost Origin Promo Mi · eBay	$346.55
2026-04-21	EN	RAW NM	Pokemon Machamp STAFF SWSH243 Lost Origin Promo NM English C · eBay	$394.24

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FAQ

Frequently asked questions

How does lastsold determine the market value?

lastsold 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.