PokemonGym Heroes › Brock's Onix

Brock's Onix worth

Gym Heroes · #21 · rare · Updated Aug 5, 2026

Brock's Onix Gym Heroes card

Scan in TCGApp

$7.47

Live raw market estimate · PSA 10 ~ $301.63

PokemonGym Heroes#21rare

Current market prices

TCGplayer market$7.47
Cardmarket low€7.50 (~$8.64)
PSA 10 (eBay median)$301.63

Buy / comps: TCGplayer · eBay sold · Cardmarket

Graded card prices

CompanyGradeMedian
CGC9$26.58
PSA10$301.63
PSA9$82.58
PSA8$36.80
PSA7$18.75
SGC9$30.12

Sale price history

Quick answer. Brock's Onix from the Gym Heroes set is a rare Pokémon card that holds significant value among collectors. Its worth fluctuates based on condition and market demand, making it essential to stay updated on current trends. Live: As of Aug 5, 2026, a raw near-mint copy is worth about $7.47, and PSA 10 context is around $301.63. Figures update from Cardmarket, TCGplayer and eBay sold data.

Brock's Onix #21 is a standout card from the Gym Heroes set, released during the early days of the Pokémon Trading Card Game. This rare card features artwork by Benimaru Itoh, capturing the essence of the beloved Rock/Ground-type Pokémon. As a part of the Gym Heroes expansion, it represents a nostalgic era for many collectors and players alike. The rarity and popularity of Brock's Onix have made it a sought-after piece in the Pokémon card community. Whether you're looking to buy, sell, or simply assess its value, understanding its market worth can enhance your collecting experience. With TCGApp.io, you can easily scan and track the value of your Pokémon cards, including Brock's Onix, ensuring you stay informed about its worth in today's market.

Understanding the Value of Brock's Onix

The value of Brock's Onix is influenced by several factors, including its condition, rarity, and the current market demand. As a rare card from the Gym Heroes set, it tends to attract attention from both casual collectors and serious investors. The card's worth can vary widely based on these factors, making it crucial for collectors to keep an eye on market trends. When assessing the value, consider not just the card's rarity, but also how well it has been preserved. Cards in mint condition generally command higher prices, while those showing signs of wear may be valued lower. Regularly checking platforms like TCGApp.io can provide insights into its current market worth.

Grading and Its Impact on Worth

Grading plays a significant role in determining the value of Brock's Onix. Cards are typically graded on a scale from one to ten, with higher grades indicating better condition. A professionally graded card can fetch a premium, as collectors often prefer items that have been authenticated and assessed by reputable grading services. Understanding the grading process is essential for any collector. If you plan to sell or trade your Brock's Onix, consider getting it graded to maximize its potential worth. Keep in mind that market values can change, so staying updated on grading standards and trends is vital for making informed decisions.

Collecting Brock's Onix: Tips and Tricks

For collectors interested in Brock's Onix, it's important to familiarize yourself with the specifics of this card. Look for the unique characteristics that distinguish it from other Onix cards, such as the Gym Heroes logo and the distinct artwork by Benimaru Itoh. When adding this card to your collection, consider its condition and whether it comes with original packaging or promotional materials. Networking with other collectors can also provide valuable insights and potential trading opportunities. Remember, the Pokémon card market is dynamic, and being part of the community can enhance your collecting journey while helping you stay informed about the card's value.

Using TCGApp.io for Brock's Onix

TCGApp.io is an excellent resource for tracking the value of Brock's Onix and other trading cards. With its user-friendly scanning feature, you can quickly assess the worth of your collection. The app provides real-time market data, allowing you to stay updated on fluctuations in value. Whether you're looking to sell, trade, or simply keep track of your cards, TCGApp.io can streamline the process. By utilizing the app, you can ensure that you have the most accurate and current information regarding your Brock's Onix, empowering you to make informed decisions in your collecting endeavors.

Raw vs graded worth

Grading can significantly influence the perceived value of Brock's Onix. A card that has been professionally graded and receives a high score is often more desirable to collectors. It's essential to understand the grading scale and how it applies to your card. Cards in mint or near-mint condition typically fetch higher values, while those with visible wear may be less sought after. Regularly checking grading standards and market conditions can help you make informed choices about buying or selling.

Collector notes

When collecting Brock's Onix, pay attention to its rarity and condition. This card is part of the Gym Heroes set, which adds to its appeal among collectors. Look for signs of wear, such as scratches or fading, which can affect its value. Familiarizing yourself with the card’s unique features will help you identify authentic copies and avoid counterfeits. Engaging with the collector community can also provide insights into the best practices for maintaining and valuing your collection.

Frequently asked questions

How much is Brock's Onix worth?

As of Aug 5, 2026, a raw near-mint copy is worth about $7.47, and PSA 10 context is around $301.63. Figures update from Cardmarket, TCGplayer and eBay sold data.

Is Brock's Onix from Gym Heroes valuable?

Value depends on condition, print, and current demand. Use the live market modules above for today's raw and graded context, then compare recent sold comps before buying or selling.

How do I check Brock's Onix value with my phone?

Download TCGApp on iPhone, scan the card with the camera, and it matches the print so you can see live worth, graded context, and add it to a collection.

Should I grade Brock's Onix?

Grading can help high-demand cards in strong condition, but fees and wait times matter. Compare raw market value with PSA 10 / graded sold context before submitting.

What factors affect the worth of Brock's Onix?

The worth of Brock's Onix is influenced by its condition, rarity, and current market demand. Higher-grade cards usually command more value.

How can I verify the authenticity of my Brock's Onix?

To verify authenticity, check for specific features that distinguish it from counterfeits, such as the Gym Heroes logo and the quality of the print. Professional grading services can also authenticate your card.

What is the best way to grade my Brock's Onix?

To grade your Brock's Onix, consider sending it to a reputable grading service. They will assess its condition and assign a grade based on established criteria.

Where can I find current market values for Brock's Onix?

Current market values can be found on platforms like TCGApp.io, where you can also scan your card for real-time data.

Is it better to sell or trade Brock's Onix?

Whether to sell or trade depends on your collecting goals. If you're looking to enhance your collection, trading might be beneficial; if you're seeking cash, selling could be the way to go.

How does TCGApp.io help with my collection?

TCGApp.io helps you track the value of your collection, providing real-time market data and a convenient scanning feature for easy assessment.