Leonardo Momento Zero Grande “Supernova” in Primary Manipulation 4 Limited Edition with 14K Elastic Fine Nib (2022). Gorgeous with lots of purple. Writes beautifully as it was tuned by Emil @ Pen Venture. Large piston fill. There is a small amount of purple ink stain in the ink window from Leonardo Purple ink (the only ink ever used in pen). Available in original box. $ 275 USD plus shipping (Priority mail insured - $15 within the U.S., contact for Intl shipping fees.)