Watch List notes:

Crown 1902 Matt Proof with error edge (bright) CGS variety 03, unlisted by ESC or Davies, of the highest rarity, listed in the Spink catalogue under S.3978 as 'Extremely Rare' with no price given, the only example seen by the vendor, and also the only example seen by us, FDC a choice piece slabbed and graded CGS 92

Estimate: 2000-2500 GBP