Rillaboom
Shiny Star V · #205/190 · Shiny Rare · 2020JPN
Price history
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Graded values
updated 2026-07-26Grades 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 2026-07-09
Population data from PriceCharting, updated monthly.
How much is Rillaboom #205/190 worth?
Rillaboom #205/190 is a Shiny Rare Japanese card from Shiny Star V (2020) — today it trades at roughly $2.53 ungraded.
Grading changes the math on this one: a PSA 10 is valued around $19.99, roughly 7.9x the raw price, while a PSA 9 sits near $15.15. 159 copies have been graded to date, and 93% 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.
