Mastemon BT 21 Illustration Celebration Pack (World Convergence) — Market vs Low: which is worth more?
Mastemon BT 21 Illustration Celebration Pack (World Convergence) value — Market $7.20 vs Low $3.00. Market sells for 2.4× Low (+140%). Prices updated July 2026.
Medians of real sold listings per condition, updated July 2026 — how we compute values.
Market vs Low
$3.00→$7.20
Market sells for 2.4× (+140%) the Low price — a $4.2 difference per card.
Is complete worth it?
Market $7.20 vs Low $3.00 — a $4.2 premium (+140%). 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).