N490 - Parker Duofold Senior Medium Flex Nib (4 ratings) £95.00 Out of stock. 0 in your basket View Basket Checkout Summary; Manufacturer: Parker. Designation: Duofold Senior. Origin: Canada. Material: 14ct Gold. Dates from (approx): 1925. Overall Length:35mm. Writing Width: Medium 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!