Watch List notes:

Helvetia Four-piece Proof gold Set 1988AH (Agor mint), Lucerne issue, 1/10 Unze (1/10 oz) KM-XMB22, 1/4 Unze (1/4 oz) KM-XMB23, 1/2 Unze (1/2 oz) KM-XMB24, and 1 Unze (1 oz) KM-XMB25a, all are Proof 69 Ultra Cameo NGC. Mintage of no more than 54 sets, as the 1 Unze has a mintage of 54 pieces.

Estimate: 3500.00-4000.00 USD