Hi Jim, Paula Too & Rabbit,
Thank you all for your comments.
We have always surmised that this photo was taken at the time of the Grandparents marriage but it's good to have the opinion of others.
I really love this photo, they look happy and confident somehow, with life in front of them.
Grandad went on to complete a full Army career and they brought up a large family, which couldn't have been easy in those days.
Barbara.