Esterbrook 1461 Nib. (Medium) N524 £9.00 Quantity: at £9.00 each Add To Basket Summary; Manufacturer: Esterbrook. Designation: 1461. Origin: UK. Material: Steel. Dates from (approx): 1950. Overall Length: 32mm including threaded collar. Writing Width: Medium. 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!