Silver cigarette case marked for Birmingham 1951 by J W Benson Ltd, the enamel flags spelling Jean.
The enamel flags spell out the initials:
J (Juliet)
E (Echo)
A (Alfa)
N (November)
Dimensions: 8.2 cm high by 7.3 cm wide by 0.9 cm thick.
Weight: 112 grams gross.