![Stephen Curry [Interstellar] #99 2020 Panini Spectra Basketball](/api/images/junkpal-products/sports/stephen-curry-interstellar-99-basketball-cards-2020-panini-spectra-sport/cover.webp)
Ungraded vs PSA 10 Stephen Curry [Interstellar] #99 2020 Panini Spectra Basketball: price difference
Stephen Curry [Interstellar] #99 2020 Panini Spectra Basketball value — Ungraded $30 vs PSA 10 $102. PSA 10 sells for 3.4× Ungraded (+240%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 3.4× (+240%) the Ungraded price — a $72 difference per card.
Grade 9 sells for 2.83× (+183%) the Ungraded price — a $55 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Stephen Curry [Interstellar] #99 2020 Panini Spectra Basketball, the jump from Ungraded to PSA 10 is worth $72 (3.4×) — if your copy grades at the top, that premium can cover the fee. A grade below the top one changes the math, so run your exact numbers first.
Run the grading break-even math →Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).