Watch List notes:

MONACO. Rainier III. 1949-2005. 100 Francs 1950, Paris. Piéfort Probe (Essai) in Gold. 51.03 g. Gadoury MC142. Fr. 24. Selten. Nur 325 Exemplare geprägt / Rare. Only 325 pieces struck. Kleine Kratzer / Small scratches. Vorzüglich-FDC / Extremely fine-uncirculated.
(~€ 1'840/USD 2'050)