Auction Series 257-264 in Zurich Day 1

1858/62: Perkins, Bacon & Co. Britannia (6 d.) vermilion, a fine unused block of six (3 x 2), of good colour and ample to large margins all round with large part og. together with un-issued (6 d.) red-brown marginal block of six of bottom right corner sheet printed on thick wove paper as well as Britannia (4 d.) green, a fine unused pair with large margins all round, of deep rich colour and large part o.g., scarce multiples. Cert. Sismondo (2006) Gi = £ 1''200+.rn 
Catalogue 257: EUROPE & OVERSEAS