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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 $27.49 raw, with PSA 10 copies reaching $467.88 — a 17.0x grade premium. The card has moved up 10.0% over the past 30 days and up 37.5% over 90 days, suggesting sustained buying interest.
Current Prices (USD)
Ungraded
$27.49
PSA 7
$29.50
PSA 8
$44.69
PSA 9
$49.00
PSA 10
$467.88
ACE 10
—
BGS 10 Black
$3,040.00
CGC 10 Pristine
$157.00
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Raw Price Trend
7d
+0.0%
30d
+10.0%
90d
+37.5%
180d
+10.0%
1y
+35.8%
2y
+111.5%
5y
+136.2%

Quick price facts

Brock's Golem [1st Edition] 20/132 from Gym Heroes has a current raw market value of $27.49.

Current raw value
$27.49
PSA 9 value
$49.00
PSA 10 value
$468
Raw value 30d
+10.0%
PSA 10 premium vs raw
17.0× raw
View all cards from Gym Heroes →
Collector Intel
17.0x
Raw → PSA 10
High-risk grade
1.8x
Raw → PSA 9
Grade multiplier
+10.0%
30d Price Move
Rising
Steady
Price Stability
0.0% 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 17x the raw price. The expected value accounts for the realistic probability.
$27
Buy Raw
~$25
Grading Fee
PSA Standard
$468
PSA 10 Value
+$415
Best Case (PSA 10)
if you pull a 10
Grade Multiples vs Raw
PSA 9$491.8x raw
PSA 10$46817.0x 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: $27.49, PSA 9: $49.00, PSA 10: $468 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 $468 is 17.0× the raw price of $27.49. After a ~$25 grading fee, a PSA 10 result would net approximately $440 — 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
  • 14 Sep 2026Raw
    tcgplayercompleted-auctions-usednear mint
    $33.98
  • 7 Sep 2026Raw
    ebaycompleted-auctions-usedunknown
    $39.95
  • 6 Sep 2026Graded
    ebaycompleted-auctions-newunknown
    $70.17
  • 5 Sep 2026Raw
    ebaycompleted-auctions-usednear mint
    $24.99
  • 4 Sep 2026Raw
    tcgplayercompleted-auctions-usednear mint
    $32.02