Brock's Onix
SetGym Heroes
Year2000
RarityRare
HP70
TypesFighting
Number#21
Ungraded
$7.69+$0.81
129 sales · last Jul 9, 2026
PSA 10
$494.27
1 sales · last Jul 4, 2026
Brock's Onix price guide
Brock's Onix is a collectible Pokémon card from the Gym Heroes expansion (2000). Setlot tracks 130 recorded sales for this card across 2 grade tiers, 126 of them in the last 90 days. PSA 10 copies have a 90-day median of $494.27. Ungraded copies currently trade around $7.69. The top grade commands 64× the ungraded price — grading meaningfully changes what this card is worth. The highest sale on record is $494.27 (PSA 10, Jul 4, 2026). 13 listings are live right now with asks from $4.84.
Price history
Grading premium
Median graded price vs. the ungraded copy ($7.69) — a rough read on whether grading pays off.
PSA 10
64×
$494.27
Live listings
Search on eBay ↗Lowest asks per grade. Older listings may have ended — “seen” is when we last confirmed each one.
| Grade | Listing | Marketplace | Seen | Price |
|---|---|---|---|---|
| Ungraded 13 tracked | Brock's Onix (21) - G1 Gym Heroes #021/132 Rare Unlimited HP holofiendtcg | eBay | 1mo ago | $4.84↗ |
| Pokémon Brock's Onix Gym Heroes Rare 21/132 70 HP Regular English 2000 twogenerationscardco | eBay | 1mo ago |
Recent sales by grade· last 90 days
| Grade | Sold | Median | Range |
|---|---|---|---|
| Ungraded | 125 | $7.69 | $0.99 – $19.39 |
| PSA 10 | 1 | $494.27 | $494.27 |
Recent sales
| Date | Grade | Title | Sold on | Price |
|---|---|---|---|---|
| Jul 9, 2026 | Ungraded | Pokemon Brock's Onix - 21/132 - Rare Gym Heroes Unlimited MP↗ | eBay | $6.99 |
| Jul 9, 2026 | Ungraded | Pokémon TCG Brock's Onix Gym Heroes 21/132 Unlimited Rare↗ | eBay | $6.00 |
| Jul 9, 2026 | Ungraded | Pokemon Gym Heroes Rare Brock's Onix 21/132 - Near Mint (NM)↗ | eBay | $14.99 |
| Jul 9, 2026 | Ungraded | Pokémon TCG Brock’s Onix 21/132 Gym Heroes WOTC Vintage↗ | eBay |
