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Home / Sets / Prismatic Evolutions / Professor's Research: Professor Oak
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Professor's Research: Professor Oak 122

Professor's Research: Professor Oak 122 Reverse Holo

Prismatic Evolutions · Common · #122

The Reverse Holo printing — a separate card from the standard version.

£1.09

HoloHawk · live UK market

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Find this on eBay UK
Raw · ungraded£1.09 PSA 10 PSA 9 CGC 10 BGS 10

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

No graded market yet Graded tiers appear as slabs start selling.

At a glance

Days tracked197
IllustratorHideki Ishikawa

Price history

116 readings · 197d
£1.09HoloHawk£1.42-0.7%PriceChartingPulseTCG awaiting data
21 Oct21 Oct21 Oct28 Oct28 Oct28 Oct
£1.09HoloHawk£1.42-97.4%PriceChartingPulseTCG awaiting data
28 Sept28 Sept28 Sept15 Oct15 Oct28 Oct
£1.09HoloHawk£1.42+40.6%PriceChartingPulseTCG awaiting data
14 Apr8 May4 Jun27 Jun20 Jul28 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.

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.

17 Sept1 Oct14 Oct28 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

1 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'S RESEARCH 122/131 POKEMON PRISMATIC EVOLUTIONS REVERSUngraded£4.00
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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Sylveon ex 156 £273
Leafeon ex 144 £183
Espeon ex 155 £155