Lot no. 1837

1866, 1 pia. lilac, tied by part of blue-black "POSTE VICEREALI EGIZIANE CAIRO 20 MAG 67", with additional strike alongside, to entire letter  with combination franking Italy De ia Rue 60 c., tied by numeral "234", with adjacent cds. of Alessandria and boxed "PIROSCAFI/POSTALI/ITALIANI" to Italy. A fine and rare combination cover,