used (1d.) brownish grey, seven examples in slightly differing shades, all with good to large or very large margins, fine or very fine. Sc. 4; S.G. 6, £420

Details
used (1d.) brownish grey, seven examples in slightly differing shades, all with good to large or very large margins, fine or very fine. Sc. 4; S.G. 6, £420