French army postal service free of charge letter of a member of the 2. 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 * 28 - 10 21 * 184 * (OS handbook number FP1 a), arrival postmark single circle GAMARDE LES BAINS 1 11 21 countries at back, good condition