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Home / Sets / Expedition / Professor Oak's Research
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Professor Oak's Research 149

Professor Oak's Research 149

Expedition · Uncommon · #149

£2.24

HoloHawk · live UK market

-0.9%1D
-2.6%7D
-3.9%30D

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Looking for confirmed deals on this card…

Find this on eBay UK
Raw · ungraded£2.24 PSA 10£199 PSA 9£15.40 CGC 10£31.55 BGS 10£259

UK sellers only. Opens eBay in a new tab.

HoloHawk earns a commission on eBay purchases through this link. It never changes the price you pay.

Prices by grade

Today's figures for every tier. Raw is the HoloHawk price above; graded tiers are PriceCharting, converted to GBP.

Raw · ungraded£2.24
PSA 10£199
PSA 9£15.40
CGC 10£31.55
BGS 10£259

At a glance

30-day high£2.64
30-day low£2.24
Tracked high£2.64
Days tracked194
IllustratorKen Sugimori

Price history

129 readings · 194d
£2.24-2.6%HoloHawk£1.63+7.9%PriceChartingPulseTCG awaiting data
18 Oct19 Oct19 Oct20 Oct20 Oct25 Oct
£2.24-3.9%HoloHawk£1.63-7.9%PriceChartingPulseTCG awaiting data
25 Sept25 Sept2 Oct15 Oct20 Oct25 Oct
£2.24-3.9%HoloHawk£1.63-4.7%PriceChartingPulseTCG awaiting data
14 Apr11 May9 Jun5 Jul30 Jul25 Oct
Three independent readings on one scale. A reading is recorded only when a price changes, so a flat stretch means it held. Hover or tap any day. PulseTCG has no readings for this card yet.

Graded price history

PSA 10 · £199
£199+373.6%PSA 10£15.40-32.7%PSA 9£31.55+0.1%CGC 10£259+372.6%BGS 10
14 Apr11 May9 Jun5 Jul30 Jul25 Oct
Graded prices from PriceCharting, in GBP. PSA 10 has been tracked since April 2026; the other tiers began recording 3 August 2026 and join the chart as their history builds.

New listings per day

0 today

How many new UK listings appear for this card each day. Rising supply against a falling price is the clearest sell signal there is. This counts what we saw, so it is a sample of the market rather than a total.

1 Oct10 Oct18 Oct27 Oct
New UK listings we saw appear each day. A direct count of what the scanner observed, not an estimate of everything on eBay. Source: HoloHawk, observed directly on eBay UK.

Confirmed sales per day

Building
How often this card actually sells We record roughly 4,600 UK auction outcomes a day across the catalogue. This charts how many close with a winning bid, day by day, from the first confirmed sale for this card.

Only auctions that finished with a bid count. A listing vanishing is not proof of a sale, so it is not counted as one.

Recent confirmed sales

Recording live
No confirmed sales for this card yet We log every UK auction that closes with a winning bid — around 4,600 a day across the catalogue. The first result for this card appears here as soon as one sells.

On sale now in the UK

2 live

Fixed-price listings we are currently tracking, cheapest first. Asking prices, not sales, and a sample of what is listed rather than everything on eBay. Each row opens the listing on eBay — HoloHawk earns a commission on purchases made through it, and it never changes the price you pay.

ListingCondition Ask
Professor Oak's Research 149/165 Expedition Base Set Uncommon NoUngraded£4.00
Professor Oak’s Research 149/165 Regular 2002 Expedition Base SeUngraded£6.00
Where these numbers come from

Three independent readings, shown side by side rather than blended into one figure:

HoloHawk Our own market price, from live UK listings
PriceCharting Published reference price, USD converted to GBP
PulseTCG Published reference price, natively GBP

A reading is stored only when a price actually changes, so flat stretches mean the price held — not that data is missing. Where a source has no history for an item its line is absent rather than flat. Confirmed sales are UK auctions that closed with a winning bid, observed within three minutes of close, so each is a lower bound. Live listings are asking prices, not sales. Supply and sales counts are direct observations — listings we saw appear and auctions we saw close with a bid. We do not infer that a listing sold because it disappeared, so nothing here depends on that guess.

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