Watch List notes:

People's Republic Bank of China, a set of 4x silver proof 20 Yuan, 1998, Return Of Hong Kong, 'Seascape Of Kowloon', 'Tsing Ma Bridge', 'Giant Buddha' and 'Convention Center', total ASW 8oz, with original box and certificate of issue,graded NGC PF 67 Ultra Cameo, PF 69 Ultra Cameo, PF 69 Ultra Cameo and PF 69 Ultra Cameo respectively, #6440809-005 to 6440809-008 (1 box of 4 coins)..

Estimate: 2700 - 4500