David Oscarson Lingua Pacifica Mossy Black - RollerballAvailable in Mossy Black, Sapphire Pale Blue, and Teal, the David Oscarson Pleasure of Writing Lingua Pacifica Collection uses Oscarsons intricate craftsmanship to honor the pen shops storied history and bright future. David Oscarson writing instruments are known for their manufacturing process, which eschews materials like plastic, epoxy, and resins in favor of kiln fired glass applied by quill inside sterling silver guilloche and then diamond filed.