1871, Piskokefalo: "PESKOKEFAL" oily bluish-black hexagonal all arabic postmark, on free of charge entire folded letter written in Greek (dateline Tourtouli Sitias 22.Sept.1871, nowadays Agios Georgios) sent to Neochorion Meramvelou (nowadays Neapolis). Rated RRR by isfila, fine and very scarce. (in PROFI archive are five covers recorded).
