Lot no. 566

"ROPiT ATHOS" (Tchill. 181) in blue on pair Russia Levante 1884/90, 10 k. red/green on reverse of registered cover with frontside blue boxed "REGISTERED ATHOS" to Russia and returned to Mt. Athos with several transit and arrival marks incl. "ROPiT ATHOS" in violet; a fine and scarce cover