Brock's Onix

City Gym Decks · #promo · None · 1998JPN

$9.24

Market price ▲ 73.0% (30d)

Prices as of Aug 14, 2026

LV.30 Nivi City Gym

50graded pop

60%gem rate

26.0×PSA 10 vs raw

0%off ATH $4.37 · Aug 2026

+$118.93EV to grade — worth it

Market data

Printings & price history

LV.30▲ 0.0% 7d$9.24

Low $4.99Mid $11.63

Loading chart…

Live listings

Buy it now on eBay

Loading live listings…

Live from eBay · affiliate links support CardPrice · see recent sold results →

Shop live eBay listings →Recent eBay sold results

Graded market

Graded values

PSA 10 report →updated 2026-08-14

Grade 6 est.$4.15

Grade 5 est.$3.50

Grade 4 est.$2.88

Grade 3 est.$2.40

Grade 2 est.$1.97

Grade 1 est.$1.66

Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.

PSA 10 price history$240.51

PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.

Graded population census · updated 2026-08-01

PSA50 graded · 30 gem 10

12345678910

Population data from PriceCharting, updated monthly.

How much is Brock's Onix #promo worth?

As of August 14, 2026, Brock's Onix #promo from City Gym Decks sells for around $9.24 in raw, ungraded condition. Across the 2 printings we track, copies run anywhere from $4.99 to $40.00 depending on the version you're holding.

Grading changes the math on this one: a PSA 10 is valued around $240.51, roughly 26.0x the raw price, while a PSA 9 sits near $22.15. 50 copies have been graded to date, and 60% of them came back a 10 — worth knowing before you pay grading fees.

These figures come from nightly market-data syncs verified against completed sales. Use the chart above to see the trend before you buy or sell.

Collecting City Gym Decks?Full master set guide — every card, chase list, and completion cost→