Specimen -- £75 purple and grey (thin at top) and £100 red and black, both overprinted "SPECIMEN", mounted mint. S.G. 104-105, £1150. Photo | Christie's

Lot 516

516

Specimen -- £75 purple and grey (thin at top) and £100 red and black, both overprinted "SPECIMEN", mounted mint. S.G. 104-105, £1150. Photo

Details

Specimen -- £75 purple and grey (thin at top) and £100 red and black, both overprinted "SPECIMEN", mounted mint. S.G. 104-105, £1150. Photo