1873 (15.2) Envelope from Cairo to New York, with ten 1858-79 1d red pl.139 (two strips of three, pair and two singles), cancelled by “B01”, and CAIRO / FEB 15 73 circular datestamp alongside, tied by London “PAID” and New York circular datestamps, adjacent with “2 / CENTS” handstamp, an attractive and spectacular neat little usage