Up for sale is the #01/25 pen of this edition with the Silver trim. This pen has a Medium single tone nib on it (Pictured is a two toned nib) but other nib grades could be available if you prefer something different email to firstname.lastname@example.org before you buy to make sure I have nib grade you want.
This pen is a collaboration of Delta and Chatterley Pens, and the final product is very nice and clean. A full demonstrator, with an oversize nib and button filling system. The edition is limited to 25 pens worldwide, and comes with Sterling Silver trim as well as a 14kt gold nib.