I'm sick of being without you! Sad children sitting in a sail boat

Front:
I'm sick of being without you ! Je crois bien que tu me mènes en bateau!

Back:
No. 1605. Inter-Art Co., Florence House, Barnes, London, S.W. British Manufacture Throughout. “COMIQUE" Series. FRANCE, JUNE 26, 1918. From YouR" OLD MAN."