Auction 309-320 - Europe & Overseas Egypt, including the Constantin Kelemenis - Day 4

Penasson Issue 1872: 2½ pi. violet, perf. 12½ x 13½, used on 1875 cover from Cairo to Livorno, Italy carried under the Italo-Egyptian Treaty rate (Jan 1873 - July 1875), tied by fine strike of scarce double ring "POSTE KEDEVIE EGIZIANE / CAIRO" circular datestamp (May 18) with further fine information strike at left with framed 'PD' in black. Reverse with Alexandria cds, Italian P.O. "Alessandria D'Egitto / Poste Italiane" cds (May 19) and Livorno arrival cds (May 25). A superb and most attractive cover.