Official Special Editions and Limited Editions are listed on this page. The pens based on a standard Pelikan fountain pen model can also be found on the relevant page. The orange frame (see picture) marks such duplicate entries.
On the Model page prototypes, company orders and low volume productions are listed next to the standard models and the official, Limited Editions and Special Editions.
The link below will take you to the site of the model.
Mark as an indication of double display of the fountain pen