Grookey
SWSH Black Star Promos · #SWSH070/307 · Promo · 2019
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 2026-09-19
Population data from PriceCharting, updated monthly.
Auction sale integrity
NewGraded sales for this card from public auctions, each checked for shill/relist patterns and prices that don’t match the market. How this works →
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“When it uses its special stick to strike up a beat, the sound waves produced carry revitalizing energy to the plants and flowers in the area.”
How much is Grookey #SWSH070/307 worth?
Grookey #SWSH070/307 is a Promo card from SWSH Black Star Promos (2019) — today it trades at roughly $1.73 ungraded.
Grading changes the math on this one: a PSA 10 is valued around $188.33, roughly 108.9x the raw price, while a PSA 9 sits near $23.74. 231 copies have been graded to date, and 18% of them came back a 10 — worth knowing before you pay grading fees.
Prices on this page refresh nightly from live TCGplayer market data and are cross-checked against actual sold prices, so a single inflated listing never becomes "the price". The chart above has the full history.
