Diplomat Excellence A Plus fountain pen in glossy black lacquer with inlaid Rhombus Guilloche patterning. Excellence A Plus fountain pens feature the all-metal build quality we have come to expect of Diplomat pens. The multi-layered lacquer and quality chromed fittings only add to the quality feel of the range. Excellence A Plus range features screw on caps and spring loaded pocket clips. Takes international standard cartridges or bottled ink using the supplied converter.