This is a Kaweco twist ballpoint pen. The Student series was popular with students and was sold in a small shop at Heidelberg University. (Note) The pen shows signs of use overall. It looks clean at first glance, but there are scratches in various places when examined closely, so please be aware of this before purchasing. Length: Approximately 136mm, Weight: Approximately 26g. The ink flows, but the remaining amount is unknown. No box included. Thank you. Type: Ballpoint pen Ink: Oil-based