N616 - Conway Stewart 1 Broad Semi Flex Nib (2 ratings) £20.00 Out of stock. 0 in your basket View Basket Checkout Summary; Manufacturer: Conway Stewart. Designation: 1. Origin: UK. Material: 14ct Gold. Dates from (approx): 1955. Overall Length:20mm. Writing Width: Broad Semi Flex. 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!