Onoto No.55 Warranted Nib. (Fine) N555 £29.00 Out of stock. Summary; Manufacturer: Onoto (Thomas De La Rue). Designation: Warranted No.55. Origin: UK. Material: 14ct Gold. Dates from (approx): 1940. Overall Length: 28mm. Writing Width: Fine. Notes: All sizes and measurements are approximate. Any replacement nib may need some adjustment when fitted to the pen. We can fit this nib as part of a service on your pen, email us for details. Postage in the UK is free on this item!