Description
Air Post Exhibition (APEX) London 7th May (1st day) 1934 cover
The exhibition took place over 6 days (7th-12th May 1934) and a cachet using different coloured inks was used for each day.
This cover (yellow cachet – 1st day) has an sg431 British Empire Exhibition 1½d brown from a decade earlier, cancelled by the special winged cds, whilst the rear is adorned by a commemorative Exhibition label.
Ref GB5