1882 2C Brown of Straits Settlements (watermark CC) overprinted ‘S.U.’, unused, signed Köhler and Thier and ‘SU’, mint hinge remainder, SG £ 600 (Image)

1891 24c Green of Straits Settlements (watermark CA) with 3 different surcharge types, all mint hinge remainder, one signed Leitao / Rio, elusive and scarce values (SG £1’850) (Image)