Watch List notes:

CHINA (PEOPLE'S REPUBLIC): 3-coin proof set, Shenyang mint, 1990, KM-277-279, PAN-132a, 134a, 135a, KM-277-279; PAN-132a, 134a, 135a, set includes platinum 10, 25, and 50 yuan, all with choice mirrored fields and frosted cameo devices, mintage of 2500 sets, all housed in original red plastic holder and certificate of authenticity #002328, set of 3 platinum coins, S.

Estimate: 1,200-1,400 USD