IBM 50-key Keyboard

Provided by the ASK Keyboard Directory

Unicomp (used under fair dealing)
1990Model M PS​/2 50-Key Function KeypadIBM membrane buckling springsMore info on this keyboard

aka IBM Model 100 Functional Keypad Emulator

eg, P/N 1395249

Designed for IBM 4700 Personal Computer or similar usage, mimicking and emulating the earlier IBM 4704 Display Station Model 100 Functional Keypad. This version has alphanumeric legends.

Sources

ASK. Admiral Shark's Keyboards original content. License/note: CC BY-NC-SA 4.0.