![Buster Posey [Refractor] #29 2018 Topps Chrome Baseball](/api/images/junkpal-products/sports/buster-posey-refractor-29-baseball-cards-2018-topps-chrome-sport/cover.webp)
Ungraded vs PSA 10 Buster Posey [Refractor] #29 2018 Topps Chrome Baseball: price difference
Buster Posey [Refractor] #29 2018 Topps Chrome Baseball value — Ungraded $2 vs PSA 10 $24. PSA 10 sells for 12× Ungraded (+1100%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 12× (+1100%) the Ungraded price — a $22 difference per card.
Grade 9 sells for 6× (+500%) the Ungraded price — a $10 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Buster Posey [Refractor] #29 2018 Topps Chrome Baseball, the jump from Ungraded to PSA 10 is worth $22 (12×) — 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).