Italian Eritrea #8, 21, 1893 45c slate green and 1903 5c blue green, on registered envelope from Massaua to Ragusa -Duvrovnik, then to Austria, tied by "Massaua-Eritrea/24 Mar04/(C)" double c.d.s.'s, with a further strike and registration label alongside, showing Ancona, Bologna and Bari transits as well as arrival c.d.s. on reverse, very fine, a very rare two-Kings mixed franking including Umberto I and Vittorio Emanuele III, further enhanced by being sent to a rare destination. (Image)

Est. $300-400