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rare 21 gym1-21

Brock's Onix (GH 21 1st Edition)

by Benimaru Itoh · Gym Heroes

API Get this card GET /cards/18888 API Get singles GET /episodes/165/cards
EU Low
9,50 €
Stable
US Market
7,49 €
Stable
PSA 10
258 €
eBay sold median
Lang spread
—
Across editions

EU Prices

CARDMARKET
Language Region Price
English English
Europe 9,50 €

US Prices

TCGPLAYER
Market Price Change
Market Price Market Price
7,49 €
Stable

TCGGO API

Access real-time TCG card prices, market data, and inventory through our powerful API

Real-time Prices
AI Ready
Easy Integration
Get API key Try this card in Playground View Docs

Price history

Brock's Onix (GH 21 1st Edition)

Cardmarket Price 24h 7d 30d
English English
9,50 € — — —
TCG Player Price 24h 7d 30d
TCG Player US Market
7,49 € — — -0.4%

Market

eBay Sold

View on eBay
Grade Sold Price Date
2000 Pokemon Gym Heroes BROCK'S ONIX #21 NM-MT 1st Edition Graded PSA 8 PSA 8
32,60 €
$38.14
 Jul 06, 2026
2000 Pokemon Gym Heroes #21 Brock’s Onix PSA 10 PSA 10
326 €
$382
 Jul 04, 2026
2000 POKEMON GYM HEROES 1ST EDITION #21 BROCK'S ONIX PSA 7 PSA 7
16,52 €
$19.33
 Jun 14, 2026
Brock’s Onix 21/132 SGC 9 MINT Gym Heroes 1st First Edition Rare WOTC Pokémon SGC 9
25,74 €
$30.12
 May 27, 2026
Brock's Onix (21/132) Gym Heroes 1st Edition Nonholo Rare CGC 9 Mint CGC 9
22,72 €
$26.58
 Apr 07, 2026

eBay Graded Price History

RAW Prices

Cardmarket
NM RAW
Ungraded
9,50 €
Visit {"id":18888,"item_id":18888,"name":"Brock's Onix","subname":null,"slug":"brocks-onix-21"} on Cardmarket
7 Days AVG
Ungraded
8,39 €
Visit {"id":18888,"item_id":18888,"name":"Brock's Onix","subname":null,"slug":"brocks-onix-21"} on Cardmarket
30 Days AVG
Ungraded
8,53 €
Visit {"id":18888,"item_id":18888,"name":"Brock's Onix","subname":null,"slug":"brocks-onix-21"} on Cardmarket

Firecrawl — Extract TCG Data Like a Pro

Crawl full set lists, monitor price drops, build alerts. 10% off + 1,000 free pages/mo.

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Cardmarket — Crawl entire expansion 
from firecrawl import Firecrawl

app = Firecrawl(api_key="fc-YOUR_KEY")

# Crawl all singles from an expansion
job = app.crawl(
  "cardmarket.com/en/Pokemon/
   Expansions/Chaos-Rising/Singles",
  limit=200
)
TCGPlayer — Extract price history 
result = app.scrape(
  "tcgplayer.com/product/572816/
   pokemon-chaos-rising-mega-greninja-ex",
  formats=['markdown']
)
# Get market price, buylist, price history
# Handles JS-rendered pages automatically
print(result.markdown)

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TCG API For Developers

Access card prices, product data, and market analytics. Build powerful TCG apps with our comprehensive API.

  • Cards & Products
  • Daily Price Updates
  • EU & US Markets
View Documentation RapidAPI Access
GET /pokemon/cards/3852 200 OK 
// TCGGO API v1
{
  "id": 3852,
  "name": "Giratina VSTAR",
  "card_number": "GG69",
  "prices": {
    "cardmarket": { "lowest_near_mint": 284.99 },
    "ebay": {
      "graded": { "psa": { "10": { "median_price": 622.80 } } }
    },
    "tcg_player": { "market_price": 387.25 }
  },
  "episode": {
    "name": "Crown Zenith",
    "code": "CRZ"
  }
}
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