![Ryan McMahon [Gold] #151 2018 Topps Baseball](/api/images/junkpal-products/sports/ryan-mcmahon-gold-151-baseball-cards-2018-topps-sport/cover.webp)
Ungraded vs PSA 10 Ryan McMahon [Gold] #151 2018 Topps Baseball: price difference
Ryan McMahon [Gold] #151 2018 Topps Baseball value — Ungraded $5 vs PSA 10 $21. PSA 10 sells for 4.2× Ungraded (+320%). Prices updated June 2026.
Medians of real sold listings per grade, updated June 2026 — how we compute values.
PSA 10 sells for 4.2× (+320%) the Ungraded price — a $16 difference per card.
PSA 10 sells for 2.1× (+110%) the Grade 9 price — a $11 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Ryan McMahon [Gold] #151 2018 Topps Baseball, the jump from Ungraded to PSA 10 is worth $16 (4.2×) — 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).