French army postal service FREE OF CHARGE picture postcard (s / w) of a French military personnel from Gliwice to dent (Territoire de Belfort), single circle TRESOR ET POSTES * 1 -11 20 * 184 * (OS handbook number FP3 c), fragment of an arrival postmark on face, cancellation variety: horizontal line underneath the date line 1 -11, picture postcards topic: Gliwice - view of the Wilhelmstrasse with Silesian association of banks, the picture postcards point at a few mould stain on