15.3 mm dia.
1865
29mm dia.

Iching coin as used in divination. By tossing these coins and
reading the hexagram lines of yin and yang ones fortune can be
interpreted from the Chinese book of wisdom.
I Ching Coin?
Copyright © 2005
Nth Qld Miner's Den
One Mil Hong Kong coins are very small and easy to miss with a metal
detector. They look like a small brass washer.
This coin clearly shows wear marks like it was worn by a person
as an good luck amulet.

Kuang-Hsu 1875 - 1908 Guelin or Kwangtung ?