1930s Stationary Office ink bottles

Clear glass ink bottles with black plastic/bakelite lids marked with King's crown, 'S.O.' (Stationary Office) and code '44-14'.  Approximately 4.5 x 4.5 x 4.5cm.  One bottle has S.O. and crown marks moulded in the glass at the base of the bottle, the other has just the maker's marks.  As would have been used in government buildings, RAF bases etc.  Very good condition and ideal for your office desk. Stock code C24624/5.