The Parker 51 Deluxe Vacumatic Fontan pen is the first production model of the Parker 51 series, manufactured between 1938 and 1948, with a gold-plated cap and gold-plated nib.The hull, made from a very durable plastic called Lucite, which was used at that time, had an interesting filling system. The Brawn body is filled by opening the screw cap on top of the body; it is a sought-after model for collectors.It has a very smooth operation. It works very well. Please examine the pictures carefully.The pen body is Brawn and the cap is gold plated. When closed, its length is 14.4 cm and its thickness is 1.2 cm Nib, I think, is F Please note that country customs duties are the responsibility of the buyer; please check your country's customs laws. All import taxes, including VAT, are the responsibility of the buyer