1921-1928 specialised commemorative collection including covers/postcards and many varieties/errors: (partially) imperforate, inverted overprint, overprint and perforation shifts, double overprints etc. The collection is organised on perforation and watermark varieties with many better items including Sas.116b, a cover with Sass. 101,101a and 101b in block of 8 with Raybaudi 1993 certificate. Very fine mirror printing of Sass. No 169 with 2000 Raybaudi certificate and Sass.no 228b with Raybaudi certificate. Major perforation error of Sass.no 213 with 2014 Pasquale certificate etc. In addition the collection represents (corner) blocks of 4, sheet parts and commercial labels etc. Neatly organized on album pages in ordner
