WW1 picture postcard of Vendome - L'Hopital (East) et la Chapelle, used with the sender details at the top:

29.7.17

13846 R White

On Active Service

Mess 21 RNAS

Vendome

Sent to Reading Berks, cancelled with the datestamp FIELD POST OFFICE S.5 31 JY 17 - located in Paris (most RNAS mail from Vendome is routed through this Paris FPO). 

In violet the cachet PASSED NAVAL CENSOR, allocated to the RNAS in France. 

ID: WW1 43145