Professor's Research

Brilliant Stars · 147/172 ·Holo Rare

Illustration: Sanosuke Sakuma →

As of 2026-10-17

Variant Reverse Holo · 147 £1.51

Promo Professor Program · 147 £32.29

Promo Play! Pokémon · 147 £1.87

Japanese edition · 2022 Star Birth · 095 —

Market price

£1.53

based on 15 sales

Price history · RAW

2025-11-16 · £0.50 £16.19 · 2026-10-17

Cross-market · RAW median per marketplace

Spread vs. cheapest market — before shipping/duty/fees

ebay.es	n=6	£1.53	+82%
ebay.com	n=15	£0.97	+15%
ebay.de	n=2	£0.84	—

Price per print

🇮🇹 Holo · IT n=1 £1.64

🇬🇧 Holo · EN n=21 £1.53

🇩🇪 Holo · DE n=2 £1.39

How is this value calculated?

Ladder estimate · English · ~£1.53 gruen

Evidence path	Sales	Age	Value vᵢ	Weight gᵢ
eigene rohe NM-Verkäufe	14	8 d	£1.53	114.29

value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = £1.53 · Σ g = 114.29

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

Ladder estimate · Deutsch · ~£1.39 gruen

Evidence path	Sales	Age	Value vᵢ	Weight gᵢ
en roh NM × 0.9124 (Sprach-Faktor aus 99 Karten)	14	8 d	£1.39	2.35

value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = £1.39 · Σ g = 2.35

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

Ladder estimate · Français · ~£1.73 gelb

Evidence path	Sales	Age	Value vᵢ	Weight gᵢ
en roh NM × 1.1341 (Sprach-Faktor aus 56 Karten)	14	8 d	£1.73	2.67

value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = £1.73 · Σ g = 2.67

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

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

Ladder estimate · Italiano · ~£1.64 gruen

Evidence path	Sales	Age	Value vᵢ	Weight gᵢ
en roh NM × 1.0733 (Sprach-Faktor aus 41 Karten)	14	8 d	£1.64	4.69

value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = £1.64 · Σ g = 4.69

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

PSA Population EN Σ 30

PSA 10

1 3%

PSA 9

9 30%

PSA 8

13 43%

PSA ≤7

7 23%

PSA · Professor Program · as of 2026-10-16

Recent sales · 26

2026-10-17	EN	RAW NM	Professor's Research 147/172 Holo Raro Pokemon Stelle Brilla · eBay	£1.82
2026-10-12	EN	RAW NM	Pokémon TCG Professor's Research Brilliant Stars 147/172 Hol · eBay	£1.20
2026-10-12	EN	RAW NM	Professors Research Professor Rowan Holo Rare SWSH09: Brilli · eBay	£1.50
2026-10-10	DE	RAW NM	Forschung Des Professors Holo 147/172 Strahlende Sterne SwSh · eBay	£0.84
2026-10-09	EN	RAW NM	Professor's Research Rowan 147/172 Program Promo Sealed Near · eBay	£16.19
2026-10-08	EN	RAW NM	Pokemon Brilliant Stars Professor's Research Holo Rare Train · eBay	£0.74
2026-10-02	EN	RAW HP	Professor's Research [Professor Rowan] (Non-Holo) 147/172 R · eBay	£1.15
2026-09-30	EN	RAW NM	Professor's Research 147/172 Rare Deck Exclusives Pokemon Ne · eBay	£0.97
2026-07-22	EN	RAW UNKNOWN	Pokemon professor's research 147/172 Brillant Stars NON-HOLO · eBay	£0.55
2026-07-20	DE	RAW UNKNOWN	Pokemon - 147/172 - Forschung des Professors - Holofoil Rare · eBay	£0.84
2026-07-14	EN	RAW NM	Professor's Research - Non-Holo Rare - Brilliant Stars 147/1 · eBay	£1.50
2026-07-01	EN	RAW UNKNOWN	The Pokemon Company Pokemon TCG Professor's Research 147/172	£1.10
2026-06-13	EN	RAW NM	Professor's Research (Professor Rowan) - 147/172 - Holo Rare	£1.09
2026-06-11	EN	RAW UNKNOWN	Professor's Research Professor Rowan 147/172 Brilliant Stars	£0.72
2026-06-08	EN	RAW UNKNOWN	Juego de cartas coleccionables Pokémon Brilliant Stars: Prof	£1.22
2026-06-07	EN	RAW NM	Brilliant Stars 147/172 Professor’s Research NON Holo Rare P	£1.32
2026-05-25	EN	RAW NM	Professor's Research Rowan 147/172 Brilliant Stars non holo	£5.30
2026-05-22	EN	RAW NM	Pokemon - Professor’s Research 147/172 Holo Rare - Brilliant	£0.71
2026-05-11	EN	RAW NM	Pokemon - Professor's Research - Brilliant Stars 147/172 - N	£0.71
2026-04-19	EN	RAW NM	Pokemon TCG Professor's Research 147/172 Holo Rare Brilliant	£0.86

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FAQ

Frequently asked questions

Auction or Buy It Now — which gets more for Professor's Research Brilliant Stars 147/172?

Across 5 auctions the median was £1.82, across 17 fixed-price sales £1.10. Auctions therefore fetched about 65 % more — worth it mainly for sought-after cards with several bidders.

What will I get for Professor's Research Brilliant Stars 147/172 if I want to sell quickly?

Half of all sales fell between £0.84 and £1.50, with a median of £1.10. 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 Brilliant Stars 147/172 unrealistic?

The cheapest genuine sales were around £0.71. Offers well below £0.42 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.