Waterman Carena Black Sea GT (Gold Trim) Fontain pen. Waterman Carena Fontain pen This pen is made of brass metal with a glossy black lacquer finish, and its design is inspired by luxury yacht hulls. It has a very aggressive look; the accessories are high-grade gold plated. The pen tip is 18-karat gold and it is used with a suitable cartridge or convector. It works well and writes beautifully. PS... There are two inconspicuous and difficult-to-see letters on the pen cap: PR. Please see the pictures. 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.