5215 and 1627 are its mates but this questions the June date.
5215 (right) still carried its cab side number plate when photographed alongside the works building on 26 July 1964.
Date is more likely to be August 1964 when both 5215 and 1627 which has chimney bagged up on the left, were seen on the Dump
We are of the opinion that they were all taken on the occasion of the Warwickshire Railway Society’s Swindon & Eastleigh Railtour – 1964-08-16