![Mega Signal [Reverse Holo] #121](/api/images/junkpal-products/cards/mega-signal-reverse-holo-121-pokemon-mega-evolution-card/img0/cover.webp)
Grade 9 vs PSA 10 Mega Signal [Reverse Holo] #121: price difference
Mega Signal [Reverse Holo] #121 value — Grade 9 $11 vs PSA 10 $32. PSA 10 sells for 2.91× Grade 9 (+191%). Prices updated July 2026.
↘ Falling · -78%
Medians of real sold listings per grade, updated July 2026 — how we compute values.
Grade 9 vs PSA 10
$11→$32
PSA 10 sells for 2.91× (+191%) the Grade 9 price — a $21 difference per card.
Should you get this card graded?
Grading runs about $30 per card all-in. On Mega Signal [Reverse Holo] #121, the jump from Grade 9 to PSA 10 is worth $21 (2.91×) — at today's prices that doesn't cover the fee — grading this one is for the collection, not the flip. 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).