Brock's Rhydon
City Gym Decks · #promo · None · 1998JPN
Printings & price history
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Graded values
Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.
PSA 10 chart is building — graded values are tracked nightly, a new point appears each day.
Graded population census · updated 2026-08-02
Population data from PriceCharting, updated monthly.
How much is Brock's Rhydon #promo worth?
Right now (August 14, 2026) the going rate for an ungraded Brock's Rhydon #promo from City Gym Decks is about $14.21. Across the 2 printings we track, copies run anywhere from $12.99 to $19.95 depending on the version you're holding.
Grading changes the math on this one: a PSA 10 is valued around $475.00, roughly 33.4x the raw price, while a PSA 9 sits near $90.41. 569 copies have been graded to date, and 14% of them came back a 10 — worth knowing before you pay grading fees.
We update this valuation every night from live market data and verify it against real completed sales — see the chart above for how Brock's Rhydon has moved over time.
