Unfranked cover from London Oct. 6 1864 via Paris and Athens to Tripolis, here taxed Oct. 3 1864 with 415 lepta (the 4th French weight up to 20g = 375 lepta and 2nd Greek weight between 15 and 30g = 40 lepta) consisting of Provisional 5l., Definitive 10l. and 20l. with strips of 5 and 3 singles and a pair of 80l. The 10l. and the 3 singles of 20l. were fraudulently used twice. A very fine and unique postal history doc. (Hellas 11IIa+18b+19b+22b).