The Pelikan Ibis was introduced on 15 October 1936 as the successor of the Rappen and officially produced until 20 January 1954. A gold nib speaks for post-war production: gold nibs existed domestically from 1950, abroad already from 1949. A more precise temporal classification succeeds via the dimensions, because the post-war pens are some millimetres longer than the examples made immediately after market introduction. The product range of the Ibis is overall confusing, so for a reliable classification comparison dimensions from collector literature are helpful.