Pokémon sets › Japanese 25th Anniversary Golden Box › Professor's Research
Professor's Research #12
Low confidence 9th most valuable of 14 priced cards in Japanese 25th Anniversary Golden Box
Limited market data — treat as a rough guide.
Built from United States market data, valued in US dollars.
Peaked at $3.60 in September 2026; lowest $3.59 in August 2026.
US price month by month
| Month | US ungraded |
|---|---|
| August 2026 | $3.59 |
| September 2026 | $3.59 |
| October 2026 | $3.59 |
US guide prices, with the UK market alongside — updated 04 October 2026. Each market is priced from real market data in that market. Estimates for collection tracking — not an appraisal or a quote.
Check recent US sold prices on eBay →
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