| ebay.es | n=5 | $2.10 | +43% |
| ebay.com | n=3 | $1.47 | — |
How is this value calculated?
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| eigene rohe NM-Verkäufe | 4 | 3 mo | $1.75 | 32.65 |
Measured error for this era×language (backtest): ±16 %
| Evidence path | Sales | Age | Value vᵢ | Weight gᵢ |
|---|---|---|---|---|
| en roh NM × 0.7727 (Sprach-Faktor aus 5 Karten) | 4 | 3 mo | $1.36 | 7.13 |
Measured error for this era×language (backtest): ±19 %
No PSA numbers for this print yet — in any language.
| 2026-07-09 | EN | RAW NM | Professor's Research Reverse Holo Rare SV01 Scarlet & Violet · eBay | $1.47 |
| 2026-06-20 | EN | RAW UNKNOWN | Pokemon TCG Scarlet & Violet Base Professor's Research Rever · eBay | $1.83 |
| 2026-06-18 | EN | RAW LP | Pokémon TCG Professor's Research Scarlet & Violet 189/198 Re · eBay | $2.59 |
| 2026-06-17 | EN | RAW NM | Professor's Research (Sada) 189/198 Scarlet & Violet Pokemon | $2.33 |
| 2026-06-12 | EN | RAW UNKNOWN | Professor's Research - Juego Base Escarlata y Violeta 189/19 | $2.78 |
| 2026-06-05 | EN | RAW NM | Professor's Research (Sada) 189/198 Scarlet & Violet Reverse | $2.10 |
| 2026-05-21 | DE | RAW NM | Forschung Des Professors 189/198 Reverse Holo Karmesin und P | $1.61 |
| 2026-05-10 | EN | RAW UNKNOWN | Professor's Research 189/198 - REVERSE HOLO - SV01: Scarlet | $2.04 |
| 2026-05-04 | EN | RAW NM | Pokemon - Professor's Research - Reverse Holo SV01 189/198 N | $1.04 |
| 2026-04-23 | EN | RAW UNKNOWN | Professor's Research (Sada) - 189/198 - Reverse Holo - Pokem | $1.75 |
Frequently asked questions
What will I get for Professor's Research Scarlet & Violet 189/198 if I want to sell quickly?
Half of all sales fell between $1.61 and $2.33, with a median of $1.83. 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 Scarlet & Violet 189/198 unrealistic?
The cheapest genuine sales were around $1.47. Offers well below $0.88 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.
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