Rotring Tikky II ballpoint. not many mentions here. these just arrived from ebay, NOS very reasonably priced. Already loaded with a Otho flash dry and an easy flow. curiously the Rotring jumbo
DMP - Dave's Mechanical Pencils: Tikky 1 2 3
Rotring Tikky Ballpoint Pen - 1.0 mm - White Body | JetPens
3pcs rOtring Tikky Mechanical Pencil 0.7 mm & Refills Fine Lead & Eraser | eBay