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Professor's Research
SWSH Black Star Promos

Professor's Research

SWSH Black Star Promos · SWSH152/307
Illustration: Yuu Nishida →
Market value · English · Near Mint
$2.93
mostly $2 – $5 ·

What is Professor's Research SWSH152/307 (SWSH Black Star Promos) worth?

As of 2026-10-18: In Near Mint, an English copy of Professor's Research SWSH152/307 is worth about $2.93, based on 124 real sales. A PSA 10 sells for around $72.

  1. 1
    Real sales

    124 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: Professor Juniper Premium Tournament Collection Box · Product insert
Japanese edition · 2021 VMAX Climax · 266 —
Market price
$2.93
based on 124 sales
Price history · RAW
2026-01-09 · $1.12 $42.44 · 2026-10-16
Cross-market · RAW median per marketplace
Spread vs. cheapest market — before shipping/duty/fees
ebay.it n=7 $4.17 +20%
ebay.com n=174 $3.88 +12%
ebay.co.uk n=12 $3.83 +10%
ebay.es n=5 $3.52 +1%
ebay.fr n=5 $3.51 +1%
ebay.de n=31 $3.48 —
Price per print
🇩🇪 Normal · DE n=3 $3.17
🇬🇧 Normal · EN n=214 $2.93
How is this value calculated?
Ladder estimate · English · ~$2.93 gruen
Evidence pathSalesAgeValue vᵢWeight gᵢ
eigene rohe NM-Verkäufe125 7 d $2.931020.41
eigene LP-Verkäufe ÷ 0.863413 7 d $1.403.7
eigene PSA9-Verkäufe ÷ 3.17234 36 d $5.391.41
eigene PSA10-Verkäufe ÷ 18.46454 2 mo $3.940.28
value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = $2.93 · Σ g = 1025.8

Measured error for this era×language (backtest): ±17 %

Ladder estimate · Deutsch · ~$3.17 gruen
Evidence pathSalesAgeValue vᵢWeight gᵢ
en roh NM × 1.0831 (Sprach-Faktor aus 150 Karten)125 7 d $3.171.37
value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = $3.17 · Σ g = 1.37

Measured error for this era×language (backtest): ±22 %

Ladder estimate · Français · ~$3.08 gelb
Evidence pathSalesAgeValue vᵢWeight gᵢ
en roh NM × 1.0528 (Sprach-Faktor aus 74 Karten)125 7 d $3.083.52
value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = $3.08 · Σ g = 3.52

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

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

Ladder estimate · Italiano · ~$3.34 gruen
Evidence pathSalesAgeValue vᵢWeight gᵢ
en roh NM × 1.1421 (Sprach-Faktor aus 150 Karten)125 7 d $3.343.67
value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = $3.34 · Σ g = 3.67

Measured error for this era×language (backtest): ±18 %

PSA Population EN Σ 950
PSA 10
311 33%
PSA 9
499 53%
PSA 8
107 11%
PSA ≤7
33 3%
PSA · Professor Juniper Premium Tournament Collection · as of 2026-10-20
Recent sales · 251
2026-10-16 EN RAW NM Professor's Research (Prof. Juniper) - SWSH152 - Black Star · eBay $2.24
2026-10-13 EN RAW NM Pokemon Company Pokemon TCG Professor's Research Juniper SWS · eBay $2.01
2026-10-12 EN RAW NM Professor's Research (Prof. Juniper) - SWSH152 - Promos Blac · eBay $1.12
2026-10-12 EN RAW NM Professor's Research [Professor Juniper] Holofoil [SWSD - SW · eBay $3.51
2026-10-12 EN RAW NM Professor's Research [Professor Juniper] Holofoil NM P SWSH: · eBay $6.41
2026-10-12 EN RAW UNKNOWN 2022 Pokemon Black Star Promos Professor's Research: Profess · eBay $1.79
2026-10-12 EN RAW LP Professor's Research - SWSH152 - Pokemon Sword & Shield Prom · eBay $2.01
2026-10-11 EN RAW NM Professor's Research SWSH152 SWSH: Schwert & Schild Promo Ka · eBay $3.57
2026-10-11 EN CGC 9 2022 Pokemon Black Star Promos #SWSH152 Professor's Research · eBay $5.51
2026-10-11 EN RAW NM Pokemon Professor’s research SWSH152 Full Art Sealed La page · eBay $8.01
2026-10-11 EN RAW LP Professor's Research [Professor Juniper] SWSH152 SWSH: Sword · eBay $0.80
2026-10-11 DE RAW NM Pokémon - Forschung Des Professors - Prof Esche/Juniper SWSH · eBay $4.36
2026-10-09 EN RAW UNKNOWN Professor's Research [Professor Wacholder] Holofoil [SWSD - · eBay $4.28
2026-10-09 EN RAW UNKNOWN Pokemon TCG Professor's Research (Professor Wacholder) SWSH1 · eBay $4.52
2026-10-08 EN RAW NM Professor's Research [Professor Juniper] Holo SWSH: Spada... · eBay $4.52
2026-10-08 EN RAW NM Professor's Research [Professor Wacholder] Holofoil NM [SWSD · eBay $2.98
2026-10-07 EN RAW NM PROFESSOR'S RESEARCH SWSH152 SWORD & SHIELD PROMO PROMO HOLO · eBay $4.17
2026-10-07 EN RAW NM Professor's Research SWSH152 Holo Promo Sword & Shield Promo · eBay $4.36
2026-10-06 EN RAW UNKNOWN Professor's Research SWSH152 Sword & Shield Black Star Promo · eBay $4.00
2026-10-05 EN RAW NM Professor's Research [Professor Juniper] Holofoil [SWSD - SW $4.80
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FAQ

Frequently asked questions

Auction or Buy It Now — which gets more for Professor's Research SWSH Black Star Promos SWSH152/307?

Across 26 auctions the median was $3.10, across 89 fixed-price sales $3.91. Fixed price therefore fetched about 26 % more — for this card patience with a set price is the better route.

What will I get for Professor's Research SWSH Black Star Promos SWSH152/307 if I want to sell quickly?

Half of all sales fell between $3.10 and $4.52, with a median of $3.87. 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 Professor's Research SWSH Black Star Promos SWSH152/307 unrealistic?

The cheapest genuine sales were around $2.44. Offers well below $1.47 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.