Brock's Onix [1st Edition]

Gym Heroes [1st Edition]

Brock's Onix [1st Edition]

Gym Heroes [1st Edition]•#21•Pokemon

Market

$24.97

$17.49 ↔ $42.80

PSA 10

$137

+450%

PSA 9

$60.10

+141%

Odds1 in 34

Cost to Pull$17,818

$24.97+$9.28 (+59.1%)

Jul 31 '26Aug 29 '26

Last updated: Aug 29, 2026 4:47 PM

Grade 10 · Profit / Loss

PSA 10

$137

+$87.37 P&L

$24.99 fee · ~95d

BGS 10

$144

+$101 P&L

$17.95 fee · ~75d

CGC 10

$117

+$74.76 P&L

$17 fee · ~150d

TAG 10

$124

+$76.63 P&L

$22 fee · ~45d

ACE 10

$96.13

+$61.16 P&L

$10 fee · ~25d

SGC 10

$110

+$69.89 P&L

$15 fee · ~75d

Pop Report

Buy Signal

37/100Sell

Fundamentals

Not enough data

Timing

17/100

Pricing

98/100

Gradeability

51/100

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Pokemon Card - Brock's Onix Gym Heroes 21/132 Rare 1st Edition NM

Market $24.97

$14.99

Brock's Onix 21/132 Gym Heroes 1st Edition Pokemon Rare Non-Holo LV 30 NM

Market $24.97

$19.99

BROCK’S ONIX - 1st Edition Gym Heroes - 21/132 - Rare - Pokemon - NM

Market $24.97

$24.95

1st Edition Brock’s Onix Rare 21/132 - Gym Heroes - Near Mint

Market $24.97

$24.99

Pokemon Card - Brock's Onix Gym Heroes 21/132 1st Edition Rare

Market $24.97

$28.77

Brock's Onix #21/132 1st Ed. Gym Heroes NM Pokemon Card

Market $24.97

$30.00

NM / MINT! Brock's Onix 21/132 Rare 1st Edition Pokemon Gym Heroes

Market $24.97

$34.99

Pokemon 2000 1st Ed Gym Heroes - Brock's Onix - Rare - 21

Market $24.97

$35.00

Pokemon Cards: Gym Heroes 1st Edition Rare: Brock's Onix 21/132

Market $24.97

$40.60

Brock's Onix (21/132) [Gym Heroes 1st Edition] Near Mint 1st Edition Normal

Market $24.97

$44.99

Prices from eBay. Tap a listing for details.

More Brock's Cards

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48+

+$0.04

Brock's Onix [1st Edition]

Gym Heroes [1st Edition] · 69

Market

$7.99

PSA 10+450%

$43.95

+$1.40

Brock's Training Method [1st Edition]

Gym Heroes [1st Edition] · 106

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$4.99

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$27.45

+$1.11

Brock's Onix

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$57.75

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Onix [Reverse Holo]

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$110

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$607

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Onix [Reverse Holo]

Aquapolis · 98

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$62.30

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$343

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Team Rocket Returns · 69

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$43.72

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$240

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$34.95

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$192

+$2.85

Onix [1st Edition]

Base [1st Edition] · 56

Market

$29.99

PSA 10+450%

$165

-$1.64

Onix [Reverse Holo]

Unseen Forces · 65

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$27.09

PSA 10+450%

$149

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Onix [Reverse Holo]

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$14.04

PSA 10+450%

$77.22

Onix

Pokémon Card 151 · 95

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$13.62

PSA 10+115%

$29.32

+$0.04

Onix [1st Edition]

Wind from the Sea · 56

Market

$10.43

PSA 10+450%

$57.36

+$1.54

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Market

$8.99

PSA 10+450%

$49.45

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$8.36

PSA 10+402%

$42.00

+$0.71

Computer Error

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$7.70

PSA 10+450%

$42.35

-$0.86

Onix

Pokémon TCG Classic (Venusaur) · 10

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$7.14

PSA 10+450%

$39.27

+$0.98

Onix

Wind from the Sea · 56

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$7.04

PSA 10+450%

$38.72

Onix

Southern Islands JP · 12

Market

$6.28

PSA 10+1.3k%

$91.00

+$1.39

Onix

McDonald's Collection 2019 · 9

Market

$5.97

PSA 10+450%

$32.84

Onix [1st Edition]

Rocket Gang Strikes Back · 46

Market

$5.41

PSA 10+450%

$29.76

+$1.85

Onix [Shadowless]

Base [Shadowless] · 56

Market

$4.99

PSA 10+450%

$27.45

Onix [1st Edition]

Intense Fight in the Destroyed Sky · 53

Market

$4.99

PSA 10+450%

$27.45

+$0.91

Onix [1st Edition]

Neo Genesis [1st Edition] · 69

Market

$4.95

PSA 10+450%

$27.23

+$1.64

Onix

FireRed & LeafGreen · 42

Market

$4.87

PSA 10+450%

$26.79

+$1.93

Onix [Reverse Holo]

Plasma Freeze · 61

Market

$4.69

PSA 10+450%

$25.80

Onix [1st Edition]

Magma vs Aqua: Two Ambitions · 49

Market

$4.49

PSA 10+450%

$24.70

+$1.30

Onix [Reverse Holo]

Lost Thunder · 109

Market

$4.11

PSA 10+450%

$22.61

Onix [1st Edition]

Reviving Legends · 30

Market

$3.99

PSA 10+450%

$21.95

+$0.68

Onix-GX

Hidden Fates · 36

Market

$3.79

PSA 10+450%

$20.85

-$1.25

Onix [1st Edition]

Flight of Legends · 61

Market

$3.74

PSA 10+450%

$20.57

-$0.05

Onix

Reviving Legends · 30

Market

$3.72

PSA 10+450%

$20.46

+$0.09

Onix [Reverse Holo]

HS—Unleashed · 56

Market

$3.72

PSA 10+450%

$20.46

-$0.06

Onix

Magma vs Aqua: Two Ambitions · 49

Market

$3.69

PSA 10+450%

$20.29

Onix

Space-Time Creation · 68

Market

$3.59

PSA 10+450%

$19.74

+$0.13

Onix [Reverse Holo]

HS—Unleashed · 57

Market

$3.50

PSA 10+450%

$19.25

-$0.10

Brock's Onix

Nivi City Gym Deck · 41

Market

$3.29

PSA 10+450%

$18.10

-$0.10

Brock's Onix

Nivi City Gym Deck · 48

Market

$3.29

PSA 10+450%

$18.10

+$0.01

Onix

Rocket Gang Strikes Back · 46

Market

$3.28

PSA 10+450%

$18.04

+$0.08

Onix [1st Edition]

Golden Sky, Silvery Ocean · 69

Market

$3.09

PSA 10+450%

$16.99

-$0.03

Onix

Golden Sky, Silvery Ocean · 69

Market

$2.92

PSA 10+450%

$16.06

+$0.89

Brock's Onix

Gym Heroes · 69

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$2.79

PSA 10+450%

$15.35

Onix

Intense Fight in the Destroyed Sky · 53

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$2.74

PSA 10+450%

$15.07

-$0.36

Onix

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Market

$2.68

PSA 10+450%

$14.74

-$0.28

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Gold, Silver, to a New World... · 50

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$2.62

PSA 10+450%

$14.41

+$0.03

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Market

$2.53

PSA 10+450%

$13.92

+$0.84

Onix

Team Rocket Returns · 69

Market

$2.50

PSA 10+450%

$13.75

+$1.04

Onix

Sandstorm · 71

Market

$2.49

PSA 10+450%

$13.70

+$0.54

Onix

Neo Genesis · 69

Market

$2.49

PSA 10+450%

$13.70