Watch List notes:

NGUYEN DYNASTY (ANNAM): Khai Dinh, 1916-1925, AR medal (24.00g), Joyaux-, 50mm, hand-engraved khai dinh thong bao around square hole // city wall with three towers, the same characters below, vertical edge milling, AU, ex John Sylvester Jr. Collection. The only other example we could find of this type appeared in Schulman b.v. Auction 362, Lot 664, with slight differences from this example.

Estimate: 400-600 USD