Ungraded vs PSA 10 Mike Piazza #197 2021 Topps Project 70 Baseball: price difference
Mike Piazza #197 2021 Topps Project 70 Baseball value — Ungraded $60 vs PSA 10 $126. PSA 10 sells for 2.1× Ungraded (+110%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 2.1× (+110%) the Ungraded price — a $66 difference per card.
PSA 10 sells for 1.66× (+66%) the Grade 9 price — a $50 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Mike Piazza #197 2021 Topps Project 70 Baseball, the jump from Ungraded to PSA 10 is worth $66 (2.1×) — 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).