Waterman S0110910 - 2 cases with 8 large-capacity ink cartridges blue-black ink erasable (2 packets of blue black) (Office supplies & stationery)
The Waterman blue-black cartridges write my feathers in a beautiful cyan tone but not in blue-black. A really nice color, if you like Cyan. Directly after drying, when the ink is already smudge-proof, they still appear noticeably darker with me. Afte
