Agramer overprint on piece with cancellation by the so named "mute stamp Triest". Very detailed photo expertize Petry BPP: "in excellent condition. . . Island post admission stamps with this cancellation to arise from mailings, which the hospital ship "Gradisca" in the January 1945 from member the island occupying troops given to. . . Cancellations from island post admission stamps with this stamp are rare! "