1941, cover front bearing two Diagoras of Rhodos 50 l. brown black and Battle of Salamis 2 dr. ultramarine each overprinted by four line handstamped surcharge in violet, tied by ITAKA 11.8.41 c.d.s. to piece, on reverse arrival mark ATHENS 18.8.41, envelope front some crease and toned, stamps still fine. A very scarce nonphilatelic usage of this issue. Signed Chiavarello
