New Cross Penatia Black Ballpoint Refills 8004-2 Medium NOS

New Cross Penatia black ballpoint refills, model 8004-2, medium tip, NOS (new old stock). Designed for Cross ballpoint pens and compatible Cross-style refills. Pack condition is new and unused with original packaging where present. Ideal replacement for everyday writing or for collectors seeking NOS Cross parts. Please review photos and ask questions before purchasing.