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PSA 10: Median of 3 sales, last 45 days · newest Oct 16, 2026 · checked Oct 26, 2026
PSA 9: Median of 2 PSA 9 sales in the last 90 days, latest 2026-09-24. Grade 9 guide (all graders): $12.
Grade 7 and Grade 8 are PriceCharting guides across all graders (PSA, CGC, BGS, SGC, TAG).
GemDelta shows Roseanne's Backup (Brilliant Stars #172) at $2.17 market price (TCGplayer market). Its Delta multiple is 20.3x.
A PSA 10 Roseanne's Backup (Brilliant Stars #172) is currently shown at $44.00, the median of 3 PSA 10 sales in the last 45 days (newest Oct 16, 2026).
GemDelta records a 43.0% gem rate for Roseanne's Backup (Brilliant Stars #172), with 342 PSA 10 copies out of 796 total PSA grades and a 20.3x Delta. That describes the grading profile; it is not financial advice.