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 to Gamardeles Bains (Dep. Lande), single circle TRESOR ET POSTES * 14 -12 21 * 184 * (OS handbook number FP3 b), arrival postmark single circle GAMARDE LES BAINS 19 -12 21 LANDE at back, good condition