![Coby Mayo [Black Refractor] #255 2025 Topps Finest Baseball](/api/images/junkpal-products/sports/coby-mayo-black-refractor-255-baseball-cards-2025-topps-finest-sport/cover.webp)
Ungraded vs PSA 10 Coby Mayo [Black Refractor] #255 2025 Topps Finest Baseball: price difference
Coby Mayo [Black Refractor] #255 2025 Topps Finest Baseball value — Ungraded $50 vs PSA 10 $236. PSA 10 sells for 4.72× Ungraded (+372%). Prices updated June 2026.
Medians of real sold listings per grade, updated June 2026 — how we compute values.
PSA 10 sells for 4.72× (+372%) the Ungraded price — a $186 difference per card.
PSA 10 sells for 2.78× (+178%) the Grade 9 price — a $151 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Coby Mayo [Black Refractor] #255 2025 Topps Finest Baseball, the jump from Ungraded to PSA 10 is worth $186 (4.72×) — 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).