Serbia. (Serbian Relief Force). 1916. Stampless Italian Army post card headed 'Cartolina Postale Itaiana in Franchigia/ Correspondence of the Royal Army' endorsed 'On Active Service' addressed to England cancelled by 'Field Post Office/ W. 4' double ring '21 Au 16' with oval Serbian Relief Fund/ Hospital/ Corfu' in violet and framed Passed By (Crown)/ No 3231/ Censor' in carmine on face.
An Italian Army Postcard processed through the British Army Postal System. Serbian Relief Fund hospital on Corfu was established to treat the Serbian soldiers and refugees who had taken part in the Great Retreat through Albania and then by ship to the island of Corfu where they came under the care of the British Adriatic Mission, the temporary seat of the Serbian Government in Exile.
Field Post Office W.4 on Corfu, Greece (24.2.16) - (18.1.17).