![Bryce Harper [Action] #427 2017 Topps Heritage Baseball](/api/images/junkpal-products/sports/bryce-harper-action-427-baseball-cards-2017-topps-heritage-sport/cover.webp)
Ungraded vs PSA 10 Bryce Harper [Action] #427 2017 Topps Heritage Baseball: price difference
Bryce Harper [Action] #427 2017 Topps Heritage Baseball value — Ungraded $12 vs PSA 10 $33. PSA 10 sells for 2.75× Ungraded (+175%). Prices updated June 2026.
Medians of real sold listings per grade, updated June 2026 — how we compute values.
PSA 10 sells for 2.75× (+175%) the Ungraded price — a $21 difference per card.
PSA 10 sells for 1.94× (+94%) the Grade 9 price — a $16 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Bryce Harper [Action] #427 2017 Topps Heritage Baseball, the jump from Ungraded to PSA 10 is worth $21 (2.75×) — 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).