![Ryan Mountcastle [SP] #143 2021 Topps Baseball](/api/images/junkpal-products/sports/ryan-mountcastle-sp-143-baseball-cards-2021-topps-sport/cover.webp)
Ungraded vs PSA 10 Ryan Mountcastle [SP] #143 2021 Topps Baseball: price difference
Ryan Mountcastle [SP] #143 2021 Topps Baseball value — Ungraded $3 vs PSA 10 $13. PSA 10 sells for 4.33× Ungraded (+333%). Prices updated June 2026.
Medians of real sold listings per grade, updated June 2026 — how we compute values.
PSA 10 sells for 4.33× (+333%) the Ungraded price — a $10 difference per card.
Grade 9 sells for 3.67× (+267%) the Ungraded price — a $8 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Ryan Mountcastle [SP] #143 2021 Topps Baseball, the jump from Ungraded to PSA 10 is worth $10 (4.33×) — 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).