Cover fr. with 10l yellow-orange perf 11 1/2, mailed intown in 31.10.1900. Handwritten in blue crayon "Να τεθή ο αριθμός της οδού" (The number of the street to be added) and "α", probably undelivered, due to the missing of the street number. Accordind to the Law ΒΨΞΘ/art. 17 it was probably considered as unclaimed and canc. additional with next day postmark "ΑΘΗΝΑΙ-1*1.ΝΟΕΜ.1900". Cover foldings. A fine postal history document. (Hellas 130a).