1874: 1 c. green olive with overprint 'ESTERO' shifted to the bottom and the right, a vert. pair from the upper sheet margin, upper stamp unused, lower stamp unmounted og. Cert. Colla (2013) Sassone = € 6'250.
1874: Vittorio Emanuele II 10 c. ochre showing variety: no vertical line in the lower right corner, ovpt. 'ESTERO', fresh and fine example, unused without gum. Signed Colla, cert. Chiavarello (1987) Sassone = € 29'000.
Italian Post Office in Constantinople 1908: Second local issue, Victor Emanuele III, 4 pia. on 1 l. brown & green and 20 pia. on 5 l. blue & rose, two fresh and fine examples, mint og. Cert. E. Diena (1989) Sassone = € 14'000.
Italian Post Office in Peking 1917: Vittorio Emanuele III 1 l. brown & green with local ovpt. 'PECHINO 40 CENTS', fine example of this rare and desirable stamp, cancelled by "R.R. Poste Italiane / Pechino-Cina - 2/11/191.". Certs. E. Diena (1989) and Sorani (2001) Sassone = € 75'000.