Watch List notes:

MONACO: Rainier III, 1949-2005, AR proof set, 1950, 8-piece silver proof set, with 4 silver essais (KM-E8a, E9a, E10a, E11a) and 4 silver pieforts with essai (KM-PE6, PE7, PE8, PE9), mintage of 500 pieces each on the essais and 450 each on the pieforts with essai, in original plush gray case, toned, Choice Proof, R.

Estimate: 550-750 USD