![Bryce Harper [Mini] #427 2017 Topps Heritage Baseball](/api/images/junkpal-products/sports/bryce-harper-mini-427-baseball-cards-2017-topps-heritage-sport/cover.webp)
Ungraded vs PSA 10 Bryce Harper [Mini] #427 2017 Topps Heritage Baseball: price difference
Bryce Harper [Mini] #427 2017 Topps Heritage Baseball value — Ungraded $36 vs PSA 10 $228. PSA 10 sells for 6.33× Ungraded (+533%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 6.33× (+533%) the Ungraded price — a $192 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Bryce Harper [Mini] #427 2017 Topps Heritage Baseball, the jump from Ungraded to PSA 10 is worth $192 (6.33×) — 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).