A Macintosh SE computer that was used by tech legend Steve Jobs is going on the auction block in New York on October 25 as part of Bonham’s History of Science and Technology auction, where the unit is estimated to go for US$200,000 to $300,000.

With its then-novel all-in-one design, graphic user interface, and mouse, it’s understandable why the Macintosh marked a turning point in the history of computers.

When it was conceived of in 1979, the Mac, as it is often called, was envisioned by Apple’s Jef Raskin as an appliance computer aimed at the low-end of the personal computer market that would be easy to use, but nothing revolutionary. It would be Apple’s answer to the other economical desktops that were entering the market at that time.

See Also:

Floods in Crete: One 50-year-old dead, two missing in Heraklion (video-photos)

That changed when Apple co-founder Steve Jobs was booted off of the ill-fated Lisa computer project, which resulted in a machine that incorporated many design features of the earlier Xerox Alto but ended up as a flawed, eye-wateringly expensive machine. Moved to the Macintosh project, Jobs used this as an opportunity to turn the Mac into an improved, cheaper version of the Lisa.

Read more: New Atlas