This rather elegant pen is the Model 100 Icon Edition from Conway Stewart. The pen is created from sterling silver and  carries the sterling silver hallmark from the British Assay Office. The fountain pen is mounted with a large rhodium plated, iridium tipped 18 carat solid gold nib in a choice of eight different grades. The pen uses a converter cartridge filling mechanism. There are 100 numbered versions of either the fountain pen or rollerball and it sells for $1250.