Great Britain 1847 1s pale green, SG54Exceptional cut square mint example of the 1 shilling rate for US postage Great Britain 1847 1s pale green, on Dickinson silk thread paper, (Embossed Die II), SG54. A magnificent mint example with original gum and, exceptionally, cut square with four clear margins. A very rare stamp in such exquisite condition. Accompanied with a British Philatelic Association (BPA) certificate of authenticity. The Embossed postage stamps from Great Britain were