Uni (Uniball) Artis - a very rare pen with a pressurized refill
Introduction to the Artis This is a pen that had been on my mind for a couple years, but was released (and subsequently discontinued) some years before that. The exact history of the Uni Artis is a mystery, but it was only ever available in Japan. The particular model number of the ballpoint version in my review is the SS1400AS-P07 and the colour variant of this one is the 1P.26. At the time this caught my interest, it was because I was looking at the Uni pens with the pressurized refills (of which there are only a handful) to test out. Uni made a couple types of pressurized refills which I've written about before. One type is a plastic refill encased in a pressurized suit, and the other is a pressurized metal refill (like a Fisher). All of the pressurized refill pens were from a series called the "Power Tank", of which there were several grades, from their basic SN series, to their metal bodied pen with metal refill, fittingly called the "High Grade". Outside o...