Vintage IBM Film Ribbons in Dark Brown, specifically designed for use with compatible IBM typewriters. This original box contains a quantity of 6 ribbons, identified by Reorder No. 1136177. The packaging features the iconic colorful IBM block logo and includes detailed installation and removal instructions with diagrams on the side panel. These ribbons are a piece of office history, manufactured by the International Business Machines Corporation in the USA, with a vintage "use prior to" date of 1977.

Brand: IBM
Type: Film Ribbons
Color: Dark Brown
Quantity: 6
Reorder Number: 1136177
Vintage: Yes (1970s)
Made in: USA
Compatibility: IBM Typewriters
Packaging: Original Box
Logo: Colorful Block IBM
Patent Numbers: 3286808, 3061886

Keywords: Retro Office, Typewriter Supplies, IBM Selectric, Vintage Tech, 1970s Aesthetic, Collectible Stationery, Analog Writing, Business History, Computing Heritage, Dark Brown Ink