BRITISH INDIAN OCEAN TERRITORY - 2008 IMPERF PROOFS 90th Anniversary of the End of WWI set as SG 385/390, IMPERF PROOFS from the B.D.T. Printers Archive on inverted Crown watermarked, gummed paper, from a very limited print run, seldom seen or offered,  Superb, never hinged mint. (6 imperf proofs) (Image1)

Est. £150-200

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

BRITISH INDIAN OCEAN TERRITORY - 2016 Queen Elizabeth 90th Birthday set, SG 494/97, IMPERF PROOFS from the B.D.T. Printers Archive on Crown Wmk (Sideways), gummed paper, never hinged mint. (4 proofs) (Image1)

Est. £100-120