Watch List notes:

BRITISH COINS, Scotland, Mary Queen of Scots, Gold portrait Ryal or Three Pound Piece, 1555, bust facing left, legend and outer toothed border surrounding, MARIA DEI. G. SCOTOR. REGINA, rev crowned Scottish arms, date in legend, .IVSTVS. FIDE. VIVIT. 1555., 7.51g (SCBI 58:266; Burns 291.1; S 5397). Has been creased in two places and straightened, nick on reverse, otherwise very fine for issue and extremely rare.
ex Christie's, 24 January 1978, lot 61
ex Sotheby, 6 December 1983, lot 10, sold for £3200 hammer

Estimate: £10,000-15,000