1871-73 two covers bearing different three-color frankings, the earlier bearing most probably 1862-67 "cleaned plates" 5l, 10l (2) and 20l (2) on cover from Argostolion to Gallipoli, Italy, with framed "Piroscafi/Postali/Italiani", the other, from Syros to Trieste, bearing 1871-76 5l, 10l and 40l, a fine duo. (Image)

Est. $150-200