Iono
Mewtwo ex Terastal Starter Set · #17/20 · None · 2023JPN
Price history
Loading chart…
Buy it now on eBay
Ad disclosure: As an eBay Partner Network affiliate, CardPrice earns from qualifying purchases — at no extra cost to you.
Loading live listings…
Live from eBay · affiliate links support CardPrice · see recent sold results →
Graded values
Grades 1–6 are estimates modeled from the raw price — PSA/CGC/BGS 7–10 and Ungraded are live tracked market values.
Ungraded chart is building — graded values are tracked nightly, a new point appears each day.

How much is Iono #17/20 worth?
Right now (November 8, 2026) the going rate for an ungraded Iono #17/20 from Mewtwo ex Terastal Starter Set is about $1.75.
We update this valuation every night from live market data and verify it against real completed sales — see the chart above for how Iono has moved over time.















