Below the list of rarest and most valuable stamps of Italia. Will update it when new top sales will be tracked.
1. $63,250.00. March 2008, Cherrystone auction. Italy 1890 2c “Valevole per le stampe” on 1,25L orange, Scott 62a, surcharge inverted, one of two copies known unused.
2. $52,250.00. May 2006, Cherrystone auction. Italian Offices Abroad 1874 2c orange brown, overprint omitted, one of two known used, with a Colla certificate. (Sass.2b, cat.€ 95,000)