Letter sheet from Kerkyra (Corfu) to Prevesa (Turkey) Jan 30th, 1865 paid with 90l. At the end of 1865, the first month of the use of the cancel Kerkyra, the cancels colour changes from blue to black with seven 10l. on bluish, the one in the upper left corner shows pos.79 plate flaw, the two points. A very fine, spectacular and unique postal history item. (Hellas 18d+19b).