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PSA 10: Median of 2 sales, last 45 days · newest Oct 18, 2026 · checked Oct 27, 2026
PSA 9: Median of 4 PSA 9 sales in the last 90 days, latest 2026-10-24. Grade 9 guide (all graders): $22.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Iono (Promo #124) at $11.80 market price (TCGplayer market). Its Delta multiple is 5.97x.
A PSA 10 Iono (Promo #124) is currently shown at $70.50, the median of 2 PSA 10 sales in the last 45 days (newest Oct 18, 2026).
GemDelta records a 37.3% gem rate for Iono (Promo #124), with 2,103 PSA 10 copies out of 5,635 total PSA grades and a 5.97x Delta. That describes the grading profile; it is not financial advice.
Showing the latest 12 of 26 stored PSA 10 comps.