Reverse Valley
The Best of XY · #161/171 · None · 2017JPN
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 2026-09-21
Population data from PriceCharting, updated monthly.
How much is Reverse Valley #161/171 worth?
Right now (September 30, 2026) the going rate for an ungraded Reverse Valley #161/171 from The Best of XY is about $9.64.
Grading changes the math on this one: a PSA 10 is valued around $130.00, roughly 13.5x the raw price, while a PSA 9 sits near $28.66. 62 copies have been graded to date, and 66% 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 Reverse Valley has moved over time.
