The latest pens from Krone feature mother of pearl which has been hand painted in a gradient way sweeping up from the tip of the pen. The pen has a brushed metal cap and an 18K gold nib. The pen is also available as a rollerball. There are 388 of each color (azure, coral, goldenrod and chartreuse) in rollerball and fountain pen designs. The fountain pen sells for $1,195 and the rollerball is $1,120.