Stefan Heijtz Saint Helena: The Castle Handstamps: 1909 O.H.M.S. envelope to London showing the only known example on cover of the type CH.5 "THE CASTLE/-2 JAN 1909/ST. HELENA" oval datestamp in violet with despatch c.d.s. and framed "OFFICIAL/PAID" type 2 below, the cover with light creasing and slightly trimmed at sides. Addressed and endorsed from the Governor, Lt. Col. Sir Henry Lionel Gallwey (from 1911 'Galway'), (1859-1949), was formerly deputy commissioner and vice-consul of the Niger Coast Protectorate and later Governor of Gambia and South Australia. Type CH.5 is recorded on archive material between 1908 and 1919 but on this postal item only. Ex Ayre. Photo. (Image1)

Stefan Heijtz Saint Helena: The Castle Handstamps: Type CH.9 "THE CASTLE/9 NOV. 1934/ST. HELENA" oval datestamp in red with day date in ms., fine strike on O.H.M.S. envelope to Switzerland with despatch c.d.s. and framed "OFFICIAL/PAID" type 5, scarce. Photo. (Image1)

Stefan Heijtz Saint Helena: The Castle Handstamps: Type CH.8 "THE CASTLE/-18 OCT 1937/ST. HELENA" oval datestamp in red, fine late strike on O.H.M.S. envelope front to Sussex with despatch c.d.s. and framed "OFFICIAL/PAID" type 5, scarce. Photo. (Image1)

Stefan Heijtz Saint Helena: The Castle Handstamps: Type CH.10 "THE CASTLE/12MAR.1938/ST. HELENA" oval datestamp in red, known fine strike on O.H.M.S. envelope front to Switzerland with despatch c.d.s. and framed "OFFICIAL/PAID" type 5. Recorded in use from 1938-39 only, this the earliest date. Photo. (Image1)