Ended up being a scam. Purchase price on Mercari would have been $480.

The Outbound Systems Notebook 2030 belongs to a fascinating corner of Macintosh history: the brief period when third-party companies tried to build Mac-compatible portables before Apple’s own PowerBook line took over. Its significance comes from showing how much demand there was for a lighter, more practical portable Mac than Apple was offering at the time, and today collectors value it as an unusual pre-clone-era bridge between the Macintosh Portable and the PowerBooks that followed.

• EveryMac