LONDON.- Sotheby’s London is to offer The Philatelic Collection of Lord Steinberg, in a series of two sales on 6-8 September and 21 September 2011. The first three-day sale comprises British Empire Mint Multiples, and the second sale on the 21st will feature Great Britain Mint Multiples exclusively. The unique characteristic of the collection is that it contains only mint blocks of four or larger multiples. The significance of blocks is of paramount importance to collectors, since many stamps which are comparatively common are transformed into major rarities when in blocks of four or larger. Sotheby’s two auctions will be an unrivalled opportunity for collectors to acquire gems from an exceptional collection, and this is the first sale of its kind in almost a century**. Together, the sales will feature 2,068 lots and the collection is estimated in the region of £4 million. Lord Steinberg’s family have decided to