Thurman’s coin is a quarter with heads on both sides, found in a bag. Donald is unsure how it acquired its unusual stamp.
The bag contains a quarter that reminds Donald Keene of the lost civilization. On examining it, he finds heads on both sides. He wonders whether the misaligned stamp is a minting mistake or whether the coin was a gift from someone in the Treasury; neither possibility is established.
A quarter with heads on both sides and a misaligned stamp.
A remnant of the lost civilization whose unusual minting prompts Donald’s speculation.