It was the organization that was shot. Couldn't' believe it when we found NAAFI in obscure places like Nairobi IIRC or George Town Ascension servicing the BBC and whatever cover name GCHQ was using.
Remember there refusing to pay top dollar for duty free out of date 35mm film. It was cheaper for Mrs PN to post a box of duty paid from home. Same with trainers. Life of a pair in ASI was 4 weeks tops.