Macau, 100 patacas silver proof, 'Macau Returns to China', 1 oz with .925 silver, and Portugal bi-metallic 500 escudos, 1999, 'Macau Returns to China', consists of 14g of .925 silver and 3.1g of .9166 gold, NGC PF70 Ultra Cameo and PF68 Ultra Cameo, both with original box and certificate, the former with serial number #25375, mintage of 38,888 and 10000 pieces, NGC cert. #6136991-013 an d6136991-024 (2)..
Estimate: $400.00 - $800.00