1912-33, The Olsson reference collection of FORGERIES on 50 album pages showing an extensive attractive selection of well classified items from the 1912, 1914 and 1933 issues, some known and other less known to scarce forgeries, includes unused and used complete sheets, fake cancellations, authentic cancellations on fake stamps, wrong colours, several fabricated frankings including some dangerous one, genuine covers and completely forged covers, a great lot and a must for the student

1912-33, The Larsson reference collection of FORGERIES on 40 album pages with an attractive selection of various items, on or off cover from the 1912, 1914 and 1933 issues, complete sheets, cancellations, added stamps, etc., most are early and some are very dangerous, a must for the student, see full set of scans on the web

1938 Set of the 1933 issue in perforated sheets, horizontally laid paper, first appeared in 1938 and were originally thought to be a genuine issue, very rare in complete sheets
Waterfall who had studied this issue in great detail (pp149-51 (1961ed) and pp155-57 (1980ed)) had not seen sheets of the three higher values when he first published his classic work (Image)