Post Office Internal Posters (1)

At the recent sale of duplicate GPO posters by the British Postal Museum and Archive I was successful in bidding for one of the less glamorous lots, a set of 35 approximately A4 size internal posters, mainly black and white, labelled "JPC" and "IRP (H)" with a number.

A quick search revealed that they were commissioned by the GPO Joint Production Council (JPC) Internal Relations Panel (IRP) - I haven't managed to find out what the "(H)" stands for.  The series dates from 1951-1969 and was designed to instruct staff on how best to perform their jobs.  Nearly all of them are in black and white, though there are a few in colour.

The Royal Mail Archive holds a nearly-full set (number 010 is missing) of 66, from which my 35 duplicates in the lot come from, mainly being the earlier ones.

The early ones are fairly general admonitions:

Ending with an admonition to read what I assume was the internal magazine: