
Koby OP12 Release Event Winner (One Piece Promotion Cards) — Market vs Low: which is worth more?
Koby OP12 Release Event Winner (One Piece Promotion Cards) value — Market $20.84 vs Low $15.99. Market sells for 1.3× Low (+30%). Prices updated July 2026.
Medians of real sold listings per condition, updated July 2026 — how we compute values.
Market vs Low
$15.99→$20.84
Market sells for 1.3× (+30%) the Low price — a $4.85 difference per card.
Is complete worth it?
Market $20.84 vs Low $15.99 — a $4.85 premium (+30%). If you're holding the box and manual, completing a loose copy pays when that premium beats what the missing pieces cost you.
Values are estimates from real sales data — not appraisals or offers. Some links earn JunkPal a commission at no cost to you (disclosure).