Watch List notes:

Grand Duche de Luxembourg, specimen 500 francs, ND (1961-63), serial number A000000, pale blue and multicoloured, Grand Duchess Charlotte at right, value at centre and top left, right, and low left, reverse, building at left, patterns at right, (Pick 52As) 2 cancellation holes, red diagonal SPECIMEN overprint, in PCGS Currency holder, 66 PPQ Gem New, highest grade listed on T&P, rare.

Estimate: £500 - £600