British Post Office in Siam. 1882 Watermark Crown CC. 2c. brown, unused with part original gum, a couple of shortish perfs. at top, otherwise fine. Rare. Briefmarkenprüfstelle Certificate (2003). S.G. 2, £4,000 (Image1)

Est. £600-800

British Post Office in Siam. 1883 "two cents" on 32c. pale red, unused with traces of original gum; heavy hinge remainder, otherwise fine. B.P.A. Certificate (1999). S.G. 12, £3,250 (Image1)

Est. £400-500

British Post Office in Siam. 1882 Watermark Crown CC. 5c. purple-brown, unused with large part original gum; light tone spot on reverse at top, just showing through to face, otherwise fine. Peter Holcombe Opinion (1998). S.G. 4, £475 (Image1)

Est. £100-120

British Post Office in Siam. 1882 Watermark Crown CC. 24c. green, unused with large part original gum; light bend at foot. Peter Holcombe Opinion (1998). S.G. 9, £800 (Image1)

Est. £150-200

British Post Office in Siam. 1882-84 Watermark Crown CA. 12c. brown-purple, original toned gum. Peter Holcombe Opinion (1998). S.G. 22, £425 (Image1)

Est. £50-80