The Nettuno 1911 Oceano Deep Blue Ballpoint
Hand turned from solid plastic resin and it has either gold plated or rhodium plated trim on the pen depending on which color.
The top of the cap has a wave pattern. The clip shows the Nettuno Trident logo design, and then at the bottom is just a round ball at the end of the clip.
Pen, is engraved Nettuno, nineteen eleven, Made in Italy.