Registered cover from "Salonique" via "TRESOR ET POSTES*501*8.6.18" where fr. with 2x25c French stamps, arr. "WEESEN*9.VII.18". Serbian censor cachet "11" (type VII) in lilac. French censor tape "CONTROLE POSTAL MILITAIRE" and cachets "N.O" and "CONTROLE 3".