Leeds

On the reverse: W R & S Reliable Series, 560/278, Printed in Saxony.

Smile

Photograph by A. J. Bealing & Son, Shaftesbury & Fovant.

The Lily White Firm

Mates

Folded arms

Photographer: J. W. Hack, Suffolk Rd, Cheltenham.

Jack in Sunderland

A later photograph of Jack taken at Ronalds' Studio, Arcade, Sunderland - note his sergeant's stripes and Royal Field Artillery insignia.

Jack in Paris

After doing a bit of research in census and BMD records, I think this is John Wilkes born 1896, South Shields, Durham; died 1952, South Shields, age 56.

Perc

Written on the reverse: With love from Perc to Mother xxxxxx.