French army postal service free of charge letter of an Officer at the headquarters of the circles Beuthen city to Paris, single circle TRESOR ET POSTES * 1 - 1 21 * 184 * (OS handbook number FP1 a), furthermore violet senders mark ZKr commission INTERALLIEE DE administrative district ET DE PLEBISCITE DE hewed SILESIE / CONTROLE DE CERCLE / BEUTHEN - (BYTOM) / VILLE, transport traces