Brock's Onix
SetGym Heroes
Year2000
RarityRare
HP70
TypesFighting
Number#21
Ungraded
$8.00+$0.88
139 sales · last Jul 22, 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 140 recorded sales for this card across 2 grade tiers, 1 of them in the last 90 days. PSA 10 copies have a 90-day median of $494.27. Ungraded copies currently trade around $8.00. The top grade commands 62× 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 ($8.00) — a rough read on whether grading pays off.
PSA 10
62×
$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 | 5mo ago | $4.84↗ |
| Pokémon Brock's Onix Gym Heroes Rare 21/132 70 HP Regular English 2000 twogenerationscardco | eBay | 5mo ago |
Recent sales by grade· last 90 days
| Grade | Sold | Median | Range |
|---|---|---|---|
| Ungraded | 1 | $4.99 | $4.99 |
Recent sales
| Date | Grade | Title | Sold on | Price |
|---|---|---|---|---|
| Jul 22, 2026 | Ungraded | Brock's Onix (21) Unlimited Rare Gym Heroes 021/132 HP↗ | eBay | $4.99 |
| Jul 21, 2026 | Ungraded | NM Brock's Onix - Non-Holo #21 Gym Heroes Pokemon TCG↗ | eBay | $8.00 |
| Jul 19, 2026 | Ungraded | Gym Heroes #021/132 Brock's Onix (21)↗ | eBay | $5.00 |
| Jul 18, 2026 | Ungraded | Brock's Onix 21/132 Rare Gym Heroes Pokemon Unlimited Near Mint↗ | eBay |
