![Ryan McMahon [Sky Blue] #99 2018 Bowman Baseball](/api/images/junkpal-products/sports/ryan-mcmahon-sky-blue-99-baseball-cards-2018-bowman-sport/cover.webp)
Ungraded vs PSA 10 Ryan McMahon [Sky Blue] #99 2018 Bowman Baseball: price difference
Ryan McMahon [Sky Blue] #99 2018 Bowman Baseball value — Ungraded $1 vs PSA 10 $40. PSA 10 sells for 40× Ungraded (+3900%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Ungraded vs PSA 10
$1→$40
PSA 10 sells for 40× (+3900%) the Ungraded price — a $39 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Ryan McMahon [Sky Blue] #99 2018 Bowman Baseball, the jump from Ungraded to PSA 10 is worth $39 (40×) — 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).