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Brock's Onix - Gym Heroes (Common) [69/132]

A Pi-graded 10 Pristine 1st Edition Brock's Onix Pokémon card from the Gym Heroes set, number 69/132. - view 1
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Estimated value

$15 - $45

Rarity

Average(4/10)

Category

Trading Cards

Brand

Pokémon

Era

2000

Origin

🇺🇸 United States

Artist / Creator

Ken Sugimori

Authenticity

Very High(85%)
16

BROCK'S ONIX - GYM HEROES (COMMON) [69/132]: IDENTIFICATION

This is a 1st Edition Brock's Onix from the Gym Heroes expansion of the Pokémon Trading Card Game. The card features Ken Sugimori's original stock art of the Rock Snake Pokémon against a purple and blue speed-line background. As a 'Gym' series card, it includes the Gym Leader Brock's portrait in the bottom right corner and the set's unique expansion symbol of an amphitheater on the right-hand side of the artwork frame.

CROSS-CULTURAL PARALLELS

Where This Object Echoes

Japanese MythologyEdo Period

Onix reflects the Tsuchinoko or serpent-like earth spirits found in Japanese folklore, emphasizing the connection between the subterranean and the divine.

Ritual & Ceremonial Use

  • •The use of 'Gym Leader' cards echoes the ritual of the apprenticeship system in traditional Japanese martial arts (Dojo culture).

Meaning Through Time

2000

Represented a primary game mechanic where Pokémon were defined by their relationship to a human trainer.

SET RELEASE & PRINT RUN

Released in August 2000 by Wizards of the Coast, Gym Heroes was the first set to introduce owner-specific Pokémon. This specific card represents the signature Pokémon of Pewter City Gym Leader Brock. The 1st Edition stamp on the left center identifies it as part of the initial limited release run ...
Released in August 2000 by Wizards of the Coast, Gym Heroes was the first set to introduce owner-specific Pokémon. This specific card represents the signature Pokémon of Pewter City Gym Leader Brock. The 1st Edition stamp on the left center identifies it as part of the initial limited release run prior to the unlimited printing (Wizards of the Coast, 2000).

COLLECTOR INTEL

1

This Onix card features an unusually high 100 HP for a Common card from the 2000 era, reflecting Brock's status as a defensive-focused Gym Leader.

2

The Boulder Badge displayed in the corner of Gym series cards was a visual mechanic later removed in the subsequent e-Reader card era of 2002.

SCARCITY

Average55-70%
CommonLegendary

Typical antique shop fare. Requires some searching but regularly available. This is where most genuine antiques fall.

Typical Characteristics

  • Standard antique shop items
  • Regularly available
  • Moderate collector interest

Confidence Factors

  • Correct 1st Edition stamp placement and font for the 2000 era
  • Pi Grading slab and serialized label match card details
  • On-card copyright text 1999-2000 Wizards aligns with Gym Heroes release
How does authenticity detection work?

GRADING EXPERT'S TAKE

Trading Card Market Analyst

Card Specialist

Identification is high due to clear grading labels and visible 1st Edition markers, though price is adjusted for the specific tier of grading company used.

KEY EVIDENCE

  • 1Presence of the authentic 'Edition 1' stamp on the left frame
  • 2Pi Grading serial number 00024779 identifies the specific unit
  • 3Correct expansion symbol for Gym Heroes (amphitheater icon)
  • 4Subgrade breakdown on the reverse label provides specific condition data

UNCERTAINTIES

  • •Pi Grading is a niche, third-party grader; market value is typically lower than PSA or BGS certifications

WHAT WOULD IMPROVE CERTAINTY

  • →Check Pi Grading's online database to verify serial number 00024779
  • →Compare auction prices for Pi 10 vs raw 1st Edition copies on eBay Sold listings

CONDITION & GRADE

Pi 10 (Pristine)

Grading breakdown

The Pi Grading label lists subgrades including Front: Centering 9.5, Corners 10, Surface 10, Edges 10; Back: Centering 9.5, Corners 9.5, Surface 10, Edges 9.5.

Condition

The card is encapsulated in a Pi Grading slab with a grade of 10 Pristine. Visual inspection through the slab shows strong centering on the reverse and sharp corners, though the label notes 9.5 subgrades for corners and edges on the back side.

TRADING CARD MARKET VALUE

$15 - $45

Updated: May 11, 2026

Who buys this

Set completionists looking for 1st edition variants and budget-conscious slab collectors.

What increases value

  • •1st Edition stamp
  • •High condition grade (10) from the grading company
  • •High popularity of Brock as a legacy character

What lowers value

  • •Lower brand recognition of Pi Grading compared to PSA/BGS/CGC
  • •Common rarity tier limits the ultimate price ceiling

What makes top-tier examples

  • •Perfect 10 subgrades across all four categories (Quad 10)
  • •PSA or BGS Black Label cross-grading potential

Grade & condition

Centering of the yellow borders and whitening on the dark blue card back edges.

Rarity & demand

AverageModerate demandModerate liquidity
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For informational purposes only, not a formal appraisal.

FROM THE CABINET OF

The Collector

The Collector
Relic Hunter•117 items

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