This Limited Edition TWSBI ECO sky blue has Launched!
We have 3 M, and 3 B nibs. Photos show both
 
Great gift  for starters to experts!
Piston Filler Fountain pen and pen cap is able to post onto the back of the pen
Simply unscrew the end cap, dip into ink, screw back the end cap, and your done! Ready to write!!
 
And the pen cap has an inner cap to insure a perfect seal when stored away. 
Voila! with Pendleton's elegant BLS (Butter Line Stub-italic)
$88