China
People's Republic silver Unicorn Proof 150 Yuan (20 oz) 1994 PR67 Ultra Cameo NGC, KM804, PAN NPB-3A, Cheng page 189, #1. Mintage: 500. Housed in an NGC jumbo holder with original Unicorn booklet. Although graded as PR67, this example has no significant flaws and is an exceptional of the grade.
Estimate: 4000-5000 USD