Stack's Bowers & Ponterio
October 2022 Hong Kong Auction 9-13 Oct 2022
View prices realized
2) 10 Mongo, AH 27 (1937). NGC UNC Details--Cleaned. KM-12.
3) 5 Mongo, AH 15 (1925). PCGS Genuine--Graffiti, EF Details. KM-3.1.
4) 2 Mongo, AH 15 (1925). PCGS Genuine--Environmental Damage, AU Details. KM-2.
Estimate: $150 - $300