![Bryce Harper [Independence Day] #351 2018 Topps Baseball](/api/images/junkpal-products/sports/bryce-harper-independence-day-351-baseball-cards-2018-topps-sport/cover.webp)
Ungraded vs PSA 10 Bryce Harper [Independence Day] #351 2018 Topps Baseball: price difference
Bryce Harper [Independence Day] #351 2018 Topps Baseball value — Ungraded $225 vs PSA 10 $813. PSA 10 sells for 3.61× Ungraded (+261%). Prices updated June 2026.
Medians of real sold listings per grade, updated June 2026 — how we compute values.
PSA 10 sells for 3.61× (+261%) the Ungraded price — a $588 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Bryce Harper [Independence Day] #351 2018 Topps Baseball, the jump from Ungraded to PSA 10 is worth $588 (3.61×) — 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).