Great Britain 1884 10s. Ultramarine, Mint SG177Great Britain 1884 10 shilling Ultramarine On Blued Paper, SG177. A superb mint example of this very rare stamp. Exceptional Quality with outstanding colour and well centred. The finest quality example in existence. In 1883, the parcel post began and there was a need for higher value stamps. The 1884 10 shilling is very rare for the obvious reason that it had a high face value. When you consider the average take home pay at the time was under 1 a