1901/1925 specialised collection errors and varieties including printing errors, double printings, shifted perf., dry printing, imperf. between pairs, paper folds etc. nicely arranged with many better items and covers. Incl. Italy 1901, 1lira brown and green dryprint with 'Poste Italiane' omitted in vertical pair with E. Diena (1986) certificate, Nisiro 40 cents brown dryprint in strip of 3 stamps (Sas.no. 6a) with B. Oliva 1992 certificate in binder
