Ungraded vs PSA 10 Bobby Bonilla #558 1987 Donruss Baseball: price difference
Bobby Bonilla #558 1987 Donruss Baseball value — Ungraded $1 vs PSA 10 $122. PSA 10 sells for 122× Ungraded (+12100%). Prices updated July 2026.
Medians of real sold listings per grade, updated July 2026 — how we compute values.
PSA 10 sells for 122× (+12100%) the Ungraded price — a $121 difference per card.
PSA 10 sells for 11.09× (+1009%) the Grade 9 price — a $111 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Bobby Bonilla #558 1987 Donruss Baseball, the jump from Ungraded to PSA 10 is worth $121 (122×) — 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).