Updated Jun 16, 10:28 PM
Latest available values by grader and grade.
It’s not uncommon for tunnels that appear to have formed naturally to actually be a result of Excadrill’s rampant digging.
Completed sales
Real eBay transactions: what buyers actually paid, not asking prices. The most recent sale was a ungraded copy for $10.00 on June 16, 2026.
