Cross Fountain Pen Ink Cartridges - Black 6/pk.

Aurora Fountain Pen Cartridges - Blue/Black 5/pk. The newest color, blue-black is a beautiful dark blue.  The blue-black is not a true iron gall ink writing blue and turning black, but a consistent deep blue. PLEASE NOTE: Aurora cartridges and converters are compatible with most Parker fountain pens.

Aurora Fountain Pen Cartridges - Blue 5/pk. The blue is a rich, deep royal blue. PLEASE NOTE: Aurora cartridges and converters are compatible with most Parker fountain pens.