French army postal service free of charge letter of a member of the 22. Company / 25. Alpine hunter battalion (B. C. A. ) / fieldpost number S (ecteur) P (ostal) 184 from Gliwice to Gamardeles Bains (Dep. Lande), single circle TRESOR ET POSTES * 22 - 9 21 * 184 * (OS handbook number FP1 d), arrival postmark single circle GAMARDE LES BAINS 28 - 9 21 LANDE at back, multicoloured vignette with the view of the Wilhelmstrasse in Gliwice at back, good condition