The listing, Hp Invent Printhead Ink Cartridge Black 10 has ended.
Here is a sealed Hp invent printhead cartridge. It's a 10 black. Product number near barcode is C4800a.
Listed for the following printers:
color printer 2000c, 2500c
designjet, colorpro cad, colorpro ga
stamped Feb 2003
no guarantees of how well it works; you are getting as is. all has been sealed and never opened.