Auction #15 - Archives International Sale of Banknotes and Coins

Banco Nacional Ultramarino - Macau. Macau. 50 Avos. P-21. Includes letters B, I (2 of each). First two are Uncirculated, second are Extremely Fine, one with a spot mentioned for accuracy. 4 pieces.
Estimate HK$ 600 - 1,200.