Grandfathers Research Project Justice (Heroes' Contract Pack) — Market vs Low: which is worth more?
Grandfathers Research Project Justice (Heroes' Contract Pack) value — Market $12.00 vs Low $1.95. Market sells for 6.15× Low (+515%). Prices updated July 2026.
Medians of real sold listings per condition, updated July 2026 — how we compute values.
Market vs Low
$1.95→$12.00
Market sells for 6.15× (+515%) the Low price — a $10.05 difference per card.
Is complete worth it?
Market $12.00 vs Low $1.95 — a $10.05 premium (+515%). 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).