Lot 90160 – 1851-57, Britannia group of four mint blocks

1851-57, Britannia group of four mint blocks incl. 1851-55 (1d) purple brown in block of 9 and block of four, (1d) blue block of four and 1854-57 (1d) deep purple right marginal block of four, all with four margins, very fine (S.G. £493+)