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Brock's Onix #21

Gym Heroes
Release Date August 14, 2000Card Number #21
Ungraded
€7.18
 
Grade 9
€21.19
 
PSA 10
€212.17
 

Brock's Onix #21 price guide

Current sold value for every grade.
Ungraded€7.18
Grade 1€4.45
Grade 2€3.56
Grade 3€3.56
Grade 4€4.45
Grade 5€5.34
Grade 6€6.23
Grade 7€8.01
Grade 8€9.79
Grade 9€21.19
Grade 9.5€23.13
SGC 10€127.24
CGC 10€11.12
PSA 10€212.17
BGS 10€275.84
BGS 10 Black€1,379
CGC 10 Pristine€20.47

Recent sales

Individual completed sales, newest first (Ungraded).
17 Oct 2026Brock's Onix 21/132 Rare Gym Heroes Pokemon Unlimited Lightly Played 21/132eBay€5.33
14 Oct 2026Brock's Onix 21/132 Rare Gym Heroes Pokemon Unlimited Moderately Played 21/132eBay€5.49
13 Oct 2026Pokémon TCG Brock's Onix Gym Heroes 21/132 Unlimited Rare 21/132eBay€5.78
12 Oct 2026Brock's Onix 21/132 Rare Gym Heroes Pokemon Unlimited Lightly Played 21/132eBay€8.28
11 Oct 20262000 POKEMON GYM HEROES #021/132 BROCK'S ONIX 021/132eBay€16.23
10 Oct 2026Pokémon TCG Brock’s Onix Gym Heroes 21/132 Regular Rare English 2000 WOTCeBay€0.65
9 Oct 2026Brock's Onix 21/132 Gym Heroes - Rare Pokemon Card - NMeBay€11.98
9 Oct 2026Brock's Onix (21) #21 Near Mint EnglishTCGPlayer€7.11
7 Oct 2026Brock's Onix 21/132 Rare Gym Heroes Pokemon Unlimited Near Mint 21/132eBay€7.76
7 Oct 2026BROCK'S ONIX 21/132 RARE GYM HEROES POKEMON UNLIMITED MP 21/132eBay€7.02
6 Oct 2026Brock's Onix (21) 021/132 Unlimited Rare Gym Heroes LP Pokemon 021/132eBay€7.55
4 Oct 2026Brock's Onix 21/132 Unlimited Rare Gym Heroes Pokemon Moderately Played 21/132eBay€6.22
3 Oct 2026Brock's Onix 21 with Photo #21 Near Mint EnglishTCGPlayer€8.89
1 Oct 2026Brock's Onix 21/132 - Gym Heroes - Rare Pokemon Card NM clean Copy VINTAGE 21/132eBay€9.81
30 Sept 2026Brock's Onix 21/132 Rare Gym Heroes Pokemon Unlimited Moderately Played 21/132eBay€4.97
30 Sept 2026Brock's Onix 21/132 Rare Gym Heroes Pokemon Unlimited Lightly Played 21/132eBay€7.11
29 Sept 2026Brock's Onix (21) 021/132 Unlimited Gym Heroes MP Pokémon TCG 021/132eBay€6.40
29 Sept 2026Pokémon TCG Brock's Onix Gym Heroes 21/132 Unlimited Rare light playeBay€6.22
28 Sept 2026Brock's Onix (21) #21 Near Mint EnglishTCGPlayer€9.47
27 Sept 2026BROCK'S ONIX 21/132 Rare Gym Heroes Pokemon Unlimited Moderately Played 21/132eBay€6.22
27 Sept 2026Brock's Onix 21/132 Rare Gym Heroes Pokemon Unlimited Lightly Played 21/132eBay€8.62
23 Sept 2026Brock's Onix (21) #21 Near Mint EnglishTCGPlayer€7.70
22 Sept 2026Pokémon TCG Brock's Onix 21/132 Gym Heroes Rare Regular English LP 021/132eBay€6.92
21 Sept 2026Brock's Onix 21/132 Rare Gym Heroes Pokemon Unlimited Moderately Played 21/132eBay€6.66
20 Sept 2026Brock's Onix - Non-Holo #21 Gym Heroes Pokemon TCG NM #21eBay€0.93

How much is Brock's Onix #21 (Gym Heroes) worth?

Right now an ungraded copy of Brock's Onix #21 from Gym Heroes sells for about €7.18, a PSA 9 for about €21.19 and a PSA 10 for about €212.17. These values are based on 84 recent completed sales, the latest on 17 Oct 2026. Prices are converted from US dollars to euros and updated every few hours.

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