"Athenes. Palais du Prince Heritier" early b&w PPC (Pallis & Cotzias) fr. with 2X5l. emerald (fine impression) perf. 11 1/2 canc. "ΑΘΗΝΑΙ-1*15.ΔΕΚΕΜ.1900", arr. "WIEN*1.1.00". (Hellas 129b).