Noodler's Dark Blue Inks Sample Package (8) Gift Sets Noodler's Blue Ghost Ink is

Noodler's Blue Ghost Ink is an invisible ink that only shows up under a UV black-light

as other models may have the housing permanently affixed to the grip section

The name came from there

Monteverde pens have a fun side

This particular ink is UV resistant

Noodler's Dark Blue Inks Sample Package (8) Gift Sets Noodler's Blue Ghost Ink isLooking for a sophisticated dark blue that works well in our work environment. Noodler's have a large array of really good dark blues and it can be hard to choose. This pack lets you try out each of them to see which you like best. Noodler's inks are handmade, which can result in minor color variations between batches. Contains : 54th Massachusetts, Air Corps Blue Black, Bad Belted Kingfisher, Bad Blue Heron, Blue Black, Midnight Blue, Navy, Q