Professor's Research

Journey Together · 155/159 ·Common

Illustration: Taira Akitsu →

Market price

€0,92

Price history · RAW

2026-04-10 · €0,87 €2,60 · 2026-07-23

Cross-market · RAW median per marketplace

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

ebay.nl	n=2	€1,73	+89%
ebay.es	n=16	€1,70	+85%
ebay.com	n=9	€0,92	—

Price per print

🇫🇷 Normal · FR n=1 €1,12

🇬🇧 Normal · EN n=9 €0,92

How is this value calculated?

Ladder estimate · English · ~€0,92 gruen

Evidence path	Sales	Age	Value vᵢ	Weight gᵢ
eigene rohe NM-Verkäufe	7	41 d	€0,92	57.14

value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = €0,92 · Σ g = 57.14

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

Ladder estimate · Deutsch · ~€0,85 gruen

Evidence path	Sales	Age	Value vᵢ	Weight gᵢ
en roh NM × 0.9229 (Sprach-Faktor aus 55 Karten)	7	41 d	€0,85	4.21

value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = €0,85 · Σ g = 4.21

Measured error for this era×language (backtest): ±19 %

Ladder estimate · Français · ~€1,12 gelb

Evidence path	Sales	Age	Value vᵢ	Weight gᵢ
en roh NM × 1.216 (Sprach-Faktor aus 49 Karten)	7	41 d	€1,12	4.7

value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = €1,12 · Σ g = 4.7

Measured error for this era×language (backtest): ±25 %

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

Ladder estimate · Italiano · ~€1,06 gruen

Evidence path	Sales	Age	Value vᵢ	Weight gᵢ
en roh NM × 1.1558 (Sprach-Faktor aus 31 Karten)	7	41 d	€1,06	11.26

value = exp( Σ gᵢ·ln vᵢ ⁄ Σ gᵢ ) = €1,06 · Σ g = 11.26

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

PSA Population

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

Recent sales · 28

2026-07-23	EN	RAW NM	Professor's Research 155/159 Common Journey Together Pokemon	€0,92
2026-07-18	EN	RAW NM	Professor's Research - 155/159 - Journey Together - NM/M	€0,87
2026-07-06	EN	RAW UNKNOWN	Professor's Research [Professor Sada] JTG 155/159 Pokémon SV	€0,93
2026-07-02	EN	RAW NM	Professor's Research 155/159 Common Journey Together Pokemon	€0,87
2026-06-26	ES	RAW UNKNOWN	Professor's Research 155/159 Holograma Inverso - SV09: Viaje	€1,99
2026-06-24	EN	RAW NM	Professor's Research - 155/159 - Common - Near Mint	€0,92
2026-06-23	ES	RAW UNKNOWN	Professor's Research 155/159 Common Journey Together Pokémon	€2,31
2026-06-19	ES	RAW UNKNOWN	Professor's Research Holograma Inverso Común SV09: Viaje Jun	€2,60
2026-06-18	ES	RAW UNKNOWN	Professor's Research 155/159 Common Journey Together Pokémon	€1,56
2026-06-18	ES	RAW UNKNOWN	Professor's Research 155/159 Holograma Inverso Común SV09: V	€1,78
2026-06-10	ES	RAW UNKNOWN	155/159 PROFESSOR'S RESEARCH (SADA) \| COMÚN \| TARJETA POKEMO	€1,61
2026-06-10	ES	RAW UNKNOWN	Professor's Research 155/159 JTG Journey Together Pokémon Ho	€2,31
2026-06-05	ES	RAW NM	Professor's Research Journey Together 155/159 Common Pokemon	€1,45
2026-06-03	ES	RAW UNKNOWN	Professor's Research 155/159 Common Journey Together Pokémon	€1,31
2026-06-02	FR	RAW UNKNOWN	Carte Pokémon Recherches Professorales 155/159 Aventures	€1,50
2026-05-26	ES	RAW UNKNOWN	Professor's Research 155/159 SV09: Journey Together JTG Holo	€1,62
2026-05-23	EN	RAW NM	Professor's Research Common SV09: Journey Together 155/159 N	€1,39
2026-05-22	ES	RAW UNKNOWN	Professor's Research 155/159 Common Journey Together Pokémon	€1,85
2026-05-22	EN	RAW NM	Professor's Research 155/159 Common Journey Together Pokemon	€0,92
2026-05-14	ES	RAW UNKNOWN	Professor's Research SV09: Journey Together 155/159 casi nue	€1,35

Frequently asked questions

What will I get for Professor's Research Journey Together 155/159 if I want to sell quickly?

Half of all sales fell between €0,93 and €1,85, with a median of €1,50. 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 Journey Together 155/159 unrealistic?

The cheapest genuine sales were around €0,92. Offers well below €0,55 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 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.