Cartier golden pen

a beautiful golden tone ball point pen from Cartier, in its original box. It was a gift from 80's, the pen is never used and the original Cartier ink cartridge is functioning perfectly. The top of pen has an inscription of "Must de Cartier 248970". The Cartier logo is on the tip of the clip. See pictures for the design details on the pen. The outside of the red case is in perfect condtion, inside t is slight yellowed color near the edge of the white base, and some little spots on the clear displaying window.