Brock's Onix #21 — Pokémon Gym Heroes Card Value
Pokémon Gym HeroesWhat the Brock's Onix #21 card from Pokémon Gym Heroes is worth — ungraded and graded (PSA 10).
Brock's Onix #21 value — Ungraded $9 · Grade 9 $22 · PSA 10 $122. Prices updated July 2026.
Real sold prices per grade — the PSA 10 premium on this card is 13.6× raw.
Live on eBay right now
Which version do you have?
If your goal is simply to own Brock's Onix #21, purchase the Standard version for $9. The 1st Edition version commands a $15 price tag because it represents the earliest print run, offering a slight premium for collectors seeking that specific vintage. Buyers prioritizing budget should stick to the Standard, while those wanting the earliest print run should pay the extra $6 for the 1st Edition.
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Item details
- Brand
- Pokémon
- Set
- Pokémon Gym Heroes
- Game
- Pokémon
Brock's Onix #21 (Pokémon Gym Heroes) card value
An ungraded Brock's Onix #21 from Pokémon Gym Heroes averages around $9. A Grade 9 copy runs about $22, and a PSA 10 gem-mint commands $122.
What drives the price
Centering, corners, edges, and surface decide a card's grade — and the grade decides the price. The jump from raw to PSA 10 can be 5–20×, so condition is everything. Holos, first editions, and shadowless prints carry the biggest premiums.
Price guide
Sold values by grade vs. what sellers ask today
| Condition | Value | Based on |
|---|---|---|
| Ungraded | $9 | eBay sold comps |
| Grade 9 | $22 | eBay sold comps |
| PSA 10 | $122 | eBay sold comps |
Frequently asked questions
- What is the current going rate for an ungraded Brock's Onix #21?
- An ungraded copy of Brock's Onix #21 from the Pokémon Gym Heroes set is currently valued around $9.
- How much is a PSA 10 graded version of this card worth?
- A PSA 10 graded copy of Brock's Onix #21 is valued at $122.
- Is the value difference between ungraded and graded significant?
- Yes, the value increases substantially, moving from $9 for ungraded to $122 for a PSA 10.
![Brock's Onix [1st Edition] #21](/api/images/junkpal-products/cards/brock-s-onix-1st-edition-21-pokemon-gym-heroes-card/img0/thumb.webp)
![Brock's Onix [1st Edition] #69](/api/images/junkpal-products/cards/brock-s-onix-1st-edition-69-pokemon-gym-heroes-card/img0/thumb.webp)
