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Brock's Golem [1st Edition] #20 Pokémon card from Gym Heroes

Brock's Golem [1st Edition] 20/132

Gym Heroes

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Brock's Golem [1st Edition] #20 from Gym Heroes currently trades at $22.13 raw, with PSA 10 copies reaching $454.25 — a 20.5x grade premium.
Current Prices (USD)
Ungraded
$22.13
PSA 7
$31.41
PSA 8
$44.69
PSA 9
$49.00
PSA 10
$454.25
ACE 10
—
BGS 10 Black
$2,955.00
CGC 10 Pristine
$165.00
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Raw Price Trend
7d
-8.4%
30d
—
90d
-13.5%
180d
+21.6%
1y
+20.9%
2y
+48.0%
5y
+120.4%

Quick price facts

Brock's Golem [1st Edition] 20/132 from Gym Heroes has a current raw market value of $22.13.

Current raw value
$22.13
PSA 9 value
$49.00
PSA 10 value
$454
Raw value 7d
-8.4%
PSA 10 premium vs raw
20.5× raw
View all cards from Gym Heroes →
Collector Intel
20.5x
Raw → PSA 10
High-risk grade
2.2x
Raw → PSA 9
Grade multiplier
Moderate
Price Stability
8.4% swing this week

Calculated from price history, PSA population data, and market trends. Not financial advice.

Grading Calculator

Based on PSA Standard tier (~$25 USD). Assumes a perfect PSA 10 result — actual outcome depends on card condition.

⚠️ High-variance grade. PSA 10 is 21x the raw price. The expected value accounts for the realistic probability.
$22
Buy Raw
~$25
Grading Fee
PSA Standard
$454
PSA 10 Value
+$407
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$492.2x raw
PSA 10$45420.5x raw

Frequently asked questions

How much is Brock's Golem [1st Edition] #20 from Gym Heroes worth?+
Brock's Golem [1st Edition] #20 from Gym Heroes is currently worth Raw: $22.13, PSA 9: $49.00, PSA 10: $454 based on recent sold listings. Prices update daily from real eBay sales.
Is Brock's Golem [1st Edition] #20 worth grading?+
The PSA 10 price of $454 is 20.5× the raw price of $22.13. After a ~$25 grading fee, a PSA 10 result would net approximately $432 — assuming the card grades a 10.
Where do PokePrices Brock's Golem [1st Edition] #20 prices come from?+
Prices are tracked nightly from real sold listings on PriceCharting (raw, PSA 9 and PSA 10). PSA population data is sourced from PSA's public reports. We do not use asking prices — only confirmed sales.

Recent verified sales

Find this card on eBay →Affiliate · we may earn commission
  • 24 Jul 2026Raw
    ebaycompleted-auctions-usedlightly played
    $19.99
  • 23 Jul 2026Raw
    tcgplayercompleted-auctions-usednear mint
    $36.25
  • 12 Jul 2026Raw
    ebaycompleted-auctions-usedplayed
    $13.49
  • 12 Jul 2026Raw
    ebaycompleted-auctions-usednear mint
    $6.00
  • 12 Jul 2026PSA PSA 10
    ebaycompleted-auctions-manual-onlyunknown
    $405.00