Stack's Bowers & Ponterio
May 2022 Hong Kong Auction 10-16 May 2022
View prices realized
2) 25 Tugrik, 1980. NGC PROOF-66 Ultra Cameo. KM-39.1. International year of the child.
3) 500 Tugrik, 1996. NGC PROOF-66 Ultra Cameo. KM-187. Endangered wildlife series, Pelican.
Estimate: $150 - $300