Piraeus early b&w PPC (P & C No.530) fr. with 2x3l. 1906 Olympic Gmaes canc. "ΠΕΙΡΑΙΕΥΣ*26.ΙΟΥΛ.07" to Varna. Bulgarian ambulant canc. "AMB. SOPHIA-VARNA No.2*31.VII.907", arr. "VARNA*31.VII.907". (Hellas 191).