![Casey Mize [Red] #321 2021 Topps Baseball](/api/images/junkpal-products/sports/casey-mize-red-321-baseball-cards-2021-topps-sport/cover.webp)
Ungraded vs Grade 9 Casey Mize [Red] #321 2021 Topps Baseball: price difference
Casey Mize [Red] #321 2021 Topps Baseball value — Ungraded $15 vs Grade 9 $31. Grade 9 sells for 2.07× Ungraded (+107%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Grade 9 sells for 2.07× (+107%) the Ungraded price — a $16 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Casey Mize [Red] #321 2021 Topps Baseball, the jump from Ungraded to Grade 9 is worth $16 (2.07×) — at today's prices that doesn't cover the fee — grading this one is for the collection, not the flip. 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).