Updated Oct 15, 4:35 PM UTC
Latest available values by grader and grade.
“The hardness of its shell surpasses the hardness of a diamond. In days gone by, people used the shells to make shields.”
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Completed sales
Real eBay transactions: what buyers actually paid, not asking prices. The most recent sale was a ungraded copy for $20.00 on October 9, 2026.
