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Brock's Golem 20

Brock's Golem 20

Gym Heroes · Rare · #20

£14.32

HoloHawk · live UK market

+5.3%1D
0.0%7D
+75.3%30D
Find this on eBay UK

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Prices by grade

PSA 10 = 28.5× raw

Today's figures for every tier.

Raw · ungraded£9.76
Grade 9£29.50
Grade 9.5£32.63
PSA 10£278
BGS 10£362
CGC 10£16.50

A PSA 10 sells for 28.5× the raw card — a gap of £268. Grading fees and the risk of a 9 come out of that.

At a glance

30-day high£16.51
30-day low£8.17
Tracked high£17.90
Days tracked141
IllustratorKen Sugimori
Pokédex76

Price history

117 readings · 141d
£14.320.0%HoloHawk£9.76+5.1%PriceChartingPulseTCG awaiting data
25 Aug26 Aug27 Aug27 Aug29 Aug1 Sept
£14.32+75.3%HoloHawk£9.76+24.8%PriceChartingPulseTCG awaiting data
3 Aug4 Aug12 Aug20 Aug27 Aug2 Sept
£14.32+17.0%HoloHawk£9.76+46.1%PriceChartingPulseTCG awaiting data
14 Apr8 May4 Jun28 Jun21 Jul2 Sept
Three independent readings on one scale. A reading is recorded only when a price changes, so a flat stretch means it held. Hover for any day. PulseTCG has no readings for this card yet.

Graded price history

PSA 10 · £278
£278+316.7%PSA 10£32.63+41.9%Grade 9.5£29.50+39.0%Grade 9£362+46.5%BGS 10£16.50-0.8%CGC 10
14 Apr8 May4 Jun28 Jun21 Jul2 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

1 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.

13 Aug19 Aug26 Aug1 Sept
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

Auctions that closed with a winning bid. A sale we watched happen, not a listing that disappeared for unknown reasons.

UK auctions that closed with a winning bid each day. Source: HoloHawk, observed directly on eBay UK.

Recent confirmed sales

Confirmed auction results

UK auctions that closed with a winning bid — not listings that merely disappeared. Observed within three minutes of close, so each is a lower bound on the hammer price.

EndedBidsPrice
9 Aug 14£27.04 or more

On sale now in the UK

5 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
Brock's Golem 20/132 Rare Gym Heroes Pokemon Unlimited NMUngraded£12.94
Brock's Golem 20/132 Rare Gym Heroes Pokemon Unlimited Lightly PUngraded£12.94
Brock's Golem 20/132 Non-Holo Rare Gym Heroes WOTC Vintage PokemUngraded£14.26
Pokémon TCG Brock's Golem Gym Heroes Rare 20/132 - LP ConditionUngraded£17.22
Pokémon TCG Brock's Golem Gym Heroes Rare 20/132 - NM ConditionUngraded£19.99
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.

Also in Gym Heroes

Sabrina's Gengar 14 1st Edition £967
Sabrina's Gengar 14 £208
Erika's Dragonair 4 1st Edition £197
Blaine's Moltres 1 1st Edition £169
Rocket's Scyther 13 1st Edition £129