It's worth noting that the 512Ke boxes were also updated in 1987 -- I never quite accumulated enough evidence (let alone decent photos) to cover the outer packaging in the systematic way that I handle other things on my site, but here's what I have:

The 1986 first-gen 512Ke box:



The 1987 second-gen 512Ke box. Note that, unlike the Plus, the manual and software bundle inside the box did not change in 1987, only the outer box itself: