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Professor's Research 147

Professor's Research 147 Reverse Holo

Brilliant Stars · Rare Holo · #147

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

£0.25
+38.9%1D
+38.9%7D
+47.1%30D
Find this on eBay UK

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Prices by grade

Today's figures for every tier. Graded history starts building tonight.

Raw · ungraded£0.25
Grade 9£7.77
Grade 9.5£8.87
PSA 10£22.87
BGS 10£29.56
CGC 10£14.04

At a glance

30-day high£0.25
30-day low£0.17
Tracked high£0.42
Days tracked140
IllustratorSanosuke Sakuma

Price history

111 readings · 140d
HoloHawk Est. Market awaiting dataPriceChartingPulseTCG awaiting data
25 Aug25 Aug1 Sept1 Sept
HoloHawk Est. Market awaiting dataPriceChartingPulseTCG awaiting data
2 Aug3 Aug6 Aug1 Sept
HoloHawk Est. Market awaiting dataPriceChartingPulseTCG awaiting data
14 Apr23 May1 Jul1 Sept
HoloHawk Est. Market · PriceCharting · PulseTCG. Hover any point for that day's figures. Flat sections mean the price did not move — a reading is recorded only when it changes. HoloHawk Est. Market and PulseTCG have no readings for this card yet.

Graded price history

PSA 10 · £22.87
PSA 10Grade 9.5Grade 9BGS 10CGC 10
14 Apr23 May1 Jul1 Sept
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.

23 Aug26 Aug28 Aug31 Aug
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

From tomorrow
How often this card actually sells We record roughly 4,600 UK auction outcomes a day across the catalogue. From tomorrow this charts how many close with a winning bid, day by day.

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
POKÉMON TCG PROFESSOR'S RESEARCH REVERSE HOLO 147/172 RARE BRILLUngraded£5.27
Where these numbers come from

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

HoloHawk Est. Market Our own estimate, 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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Shroomish 3 £0.17