GROUP OF FOUR CAVALLINI COVERS 1819 15c Blue used on 11 June 1819 from Borgomanero to Novara 1819 50c Blue used on 22 June 1819 from Turin to Bobbio 1820 15c Embossed used on 7 May 1821 from Turin to Cercenasco 1820 50c Embossed used on 17 November 1832 from Mondovi to Turin All in very fine condition Expertise: Cert. Zanaria guarantee certificates plus each with a certificate of either Colla, Sorani or Bottacchi Estimate: € 2’000 – € 3’000 (Image)