Free of charge cover cancelled with "ARMY-SIGNALS 23.VIII.48" and "ΣΤΡΑΤ. ΤΑΧ. ΓΡ. 919 24.VIII.48" letter included written in Grammos during the final battle of the civil war. Arrival "ΠΑΛΑΙΟΝ ΦΑΛΗΡΟΝ 31.ΑΥΓ.48". R!