Ungraded vs PSA 10 Mickey Rivers #305 1977 Topps Baseball: price difference
Mickey Rivers #305 1977 Topps Baseball value — Ungraded $2 vs PSA 10 $214. PSA 10 sells for 107× Ungraded (+10600%). Prices updated June 2026.
Medians of real sold listings per grade, updated June 2026 — how we compute values.
PSA 10 sells for 107× (+10600%) the Ungraded price — a $212 difference per card.
Grade 9 sells for 26× (+2500%) the Ungraded price — a $50 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Mickey Rivers #305 1977 Topps Baseball, the jump from Ungraded to PSA 10 is worth $212 (107×) — 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).