![Buster Posey [Gold Wave Refractor] #29 2018 Topps Chrome Baseball](/api/images/junkpal-products/sports/buster-posey-gold-wave-refractor-29-baseball-cards-2018-topps-chrome-sport/cover.webp)
Ungraded vs Grade 9 Buster Posey [Gold Wave Refractor] #29 2018 Topps Chrome Baseball: price difference
Buster Posey [Gold Wave Refractor] #29 2018 Topps Chrome Baseball value — Ungraded $35 vs Grade 9 $90. Grade 9 sells for 2.57× Ungraded (+157%). Prices updated June 2026.
Medians of real sold listings per grade, updated June 2026 — how we compute values.
Grade 9 sells for 2.57× (+157%) the Ungraded price — a $55 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Buster Posey [Gold Wave Refractor] #29 2018 Topps Chrome Baseball, the jump from Ungraded to Grade 9 is worth $55 (2.57×) — 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).