How much is a PSA 10 Brock's Golem [1st Edition] #20?

A PSA 10 Brock's Golem [1st Edition] #20 from Pokemon Gym Heroes is currently priced at $550 based on completed sales tracked on PokeInvest.

Is grading Brock's Golem [1st Edition] #20 worth it?

With a raw price of $25 and a PSA 10 selling for $550, grading Brock's Golem [1st Edition] #20 has a potential gross margin of $525 before PSA fees ($15-50 depending on service tier). Use the PokeInvest PSA Calculator for a full ROI breakdown.

PSA 9 vs PSA 10 Brock's Golem [1st Edition] #20: what's the price difference?

A PSA 10 Brock's Golem [1st Edition] #20 sells for about $550 versus about $40 for a graded 9 (PSA, CGC and BGS 9 sales combined), so the 10 carries a 13.8x premium based on recent sales tracked on PokeInvest.

What's the raw price of Brock's Golem [1st Edition] #20?

The raw (ungraded) price of Brock's Golem [1st Edition] #20 from Pokemon Gym Heroes is currently $30, based on live market data tracked daily by PokeInvest.

Brock's Golem [1st Edition] #20

Name: Brock's Golem [1st Edition] #20
Brand: Pokémon

Pokemon Gym Heroes

Ungraded

$24.72

22 sales

Sales we held out are listed below, not counted here.

22 sold in 65 days · latest 2 weeks ago

$9.98 $39.95

$25.49 2 weeks ago Brock's Golem 20/132 1st Edition Rare Gym Heroes Pokemon Cards 20/132 $33.89 2 weeks ago Brock's Golem · Near Mint · 1st Edition · English $20.00 2 weeks ago Brock's Golem 20/132 1st Edition Rare Gym Heroes Pokemon TCG VLP 20/132 $28.00 4 weeks ago Mint/NM+ Brock's Golem 20/132 Rare Gym Heroes 1st Edition Pokemon 020/132 $19.99 4 weeks ago BROCK’S GOLEM - 1st Edition Gym Heroes - 20/132 - Rare - Pokemon - NM 20/132 $9.98 5 weeks ago Brock's Golem 20/132 Gym Heroes Pokemon 1st Edition NM 20/132 $39.95 5 weeks ago BROCK’S GOLEM - 1st Edition Gym Heroes - 20/132 - Rare - Pokemon - NM $24.99 5 weeks ago Brock's Golem 020/132 Gym Heroes First Edition Pokemon Card NM 020/132 $19.99 5 weeks ago Pokémon TCG Brock's Golem Gym Heroes 20/132 1st Edition 1999 WOTC LP 20/132 $24.99 6 weeks ago Pokemon Card - Brock's Golem Gym Heroes 20/132 Rare 1st Edition 020/132 $24.45 6 weeks ago Brock's Golem 20/132 Gym Heroes 1st Edition Non-Holo Rare Pokemon Card NM+ 20/132 $24.00 6 weeks ago Pokemon Card - Brock's Golem Gym Heroes 20/132 Rare 1st Edition 020/132 $20.99 8 weeks ago Brock's Golem 1st Edition 20/132 Gym Heroes Pokemon TCG NM/EX 020/132 $29.99 8 weeks ago Pokemon Card - Brock's Golem 1st Edition Gym Heroes 20/132 Rare 20/132 $18.00 2 months ago Brock's Golem 1st Edition 20/132 Gym Heroes Pokemon TCG NM/EX 020/132 $34.44 2 months ago Brock's Golem 20/132 Gym Heroes Pokemon NM 1st Edition 020/132 $24.99 2 months ago Pokemon Card - Brock's Golem Gym Heroes 20/132 1st Edition Rare 20/132 $21.50 2 months ago Pokemon Card - Brock's Golem 1st Edition Gym Heroes 20/132 Rare 20/132 $29.99 2 months ago Pokemon Card - Brock's Golem 1st Edition Gym Heroes 20/132 Rare 20/132 $29.99 2 months ago Pokemon Card - Brock's Golem Gym Heroes 20/132 1st Edition Rare 20/132 $17.99 2 months ago Brock's Golem 1st Edition 20/132 Gym Heroes Pokemon TCG NM/EX 020/132 $19.99 2 months ago Brock's Golem 20/132 1st Edition Gym Heroes Regular LP - Pokemon Card 020/132

Also held for this card: 1 BGS 8, 1 CGC 9, 1 PSA 10, 3 PSA 8. Priced separately, never mixed into this median.

Every sale is a completed listing. Click any line to open it.

Price by grade

4 from real sales · 1 est

Grade	PSA	CGC	BGS	SGC
10			—	$283.00 est
9.5	—	—		—
9			—	—
8.5	—		—	—
8	—	—		—
7		—	—	—
6		—	—	—
1		—	—	—

Medians of completed sales — click one to see them. Arrows compare the last 90 days with the period before. last sold means one or two sales, so we show the most recent one rather than a median. est is an estimate we have not confirmed. pop is how many exist at that grade. How we price

Grade it? 22% of 286 PSA-graded copies came back a 10. Raw $24.72 → PSA 10 $550.00. Expected value after a $25 fee: +$100.83 per copy.

Run the full math →

Sales volume: Top 40% of cards