BRITISH INDIAN OCEAN TERRITORY - 2009 Centenary of Naval Aviation IMPERFORATE proof set, as SG 403/406, superb, never hinged mint marginal copies, very rare. (4  stamps) (Image1)

Est. £100-125

BRITISH INDIAN OCEAN TERRITORY - 2009 Seafaring & Exploration set (as SG 396/401), IMPERF PROOFS from the B.D.T. Printers Archive on Crown watermarked, gummed paper, superb never hinged mint. Very scarce! (6 proofs) (Image1)

Est. £130-150

BRITISH INDIAN OCEAN TERRITORY - 2011 IMPERF PROOF SHEETLET 54p QEII & Prince Philip in profile, c2010 'Lifetime of Service' sheetlet of 8 stamps as SG 454,  IMPERF PROOF from the B.D.T. Printers Archive on unwatermarked, gummed paper, from a very limited print run, seldom seen or offered,  Superb, never hinged mint. (1 imperf proof sheetlet) (Image1)

Est. £200-250