People's Republic of China, set of 4x silver proof 20 yuan, 1998, 1st anniversary of the handover of Hong Kong commemorative issue, 'Exhibition Centre', 'The Big Buddha', 'Tsing Ma Bridge' and 'Kowloon Penninsula', ASW 8oz, with original packaging and certificate of issue (1 set of 4).
Estimate: 2500 - 4500