French army postal service FREE OF CHARGE picture postcard (coloured) of a French military personnel from Kattowotz to Lille (Dep. North), single circle TRESOR ET POSTES * 27 -10 20 * 184 * (OS handbook number FP3 c), arrival postmark single circle LILLE R. P. 30 -10 20 north, cancellation variety: horizontal line underneath the date line 27 -10, picture postcards topic: Katowice - the building the royally mining school, good condition