| 2026-07-19 | $20.50 | 9 | CGC | Pokemon Brock's Onix Gym Heroes 1st Edition 69/132 CGC 9 Mint 69/132 | — |
| 2026-07-18 | $10.99 | — | Raw | NM/M! 1st Edition Gym Heroes Brock's Onix 69/132 - Pokemon Card 69/132 | — |
| 2026-07-17 | $5.99 | — | Raw | Brock's Onix 69/132 Common Gym Heroes Pokemon 1st Edition LP 69/132 | — |
| 2026-07-17 | $10.69 | — | Raw | Pokemon Card Brock's Onix 1st Edition Common Gym Heroes 69/132 Near Mint | — |
| 2026-07-16 | $6.99 | — | Raw | Pokemon Card - Brock's Onix Gym Heroes 69/132 1st Edition Common 69/132 | — |
| 2026-07-13 | $6.10 | — | Raw | Brock's Onix (69) #69 Near Mint English 1st Edition | — |
| 2026-07-12 | $4.99 | — | Raw | Pokémon Brock's Onix Gym Heroes 1st Edition (69/132) NM 069/132 | — |
| 2026-07-12 | $9.99 | — | Raw | Brock's Onix 2000 Pokemon Gym Heroes 1st Edition Common #69/132 * Near Mint 69/132 | — |
| 2026-07-10 | $7.23 | — | Raw | Brock's Onix (69) #69 Near Mint English 1st Edition | — |
| 2026-07-08 | $5.00 | — | Raw | 💥 Brock's Onix 1st Edition # 69/132 - Gym Heroes 2000 Pokemon Vintage Rare 87/132 | — |
| 2026-07-01 | $30.00 | 8 | PSA | Pokemon TCG Gym Heroes Brock's Onix 69/132 1st Edition PSA 8 069/132 | — |
| 2026-06-29 | $8.34 | — | Raw | Brock's Onix (69) #69 Near Mint English 1st Edition | — |
| 2026-06-28 | $14.84 | — | Raw | Brock's Onix - 1st Edition - 69/132 Gym Heroes- WOTC - Pokémon TCG - 2000 69/132 | — |
| 2026-06-27 | $6.99 | — | Raw | Pokemon Card - Brock's Onix Gym Heroes 69/132 1st Edition Common 69/132 | — |
| 2026-06-26 | $7.23 | — | Raw | Brock's Onix (69) #69 Near Mint English 1st Edition | — |
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