First instance I found on tineye.com was from July 19, 2017 and pointed here-

http://www.sandraandwoo.com/images/misc/ibm-5100-01.jpg

Link to tineye.com results-

https://tineye.com/search/3c7c3817e0938c28a12791b889cbebf82b576f1a?sort=crawl_date&order=asc&page=1

Edit- Wow, I found an older link and a story and it's dated Monday, 13 February 2017. First Q drop was October 28, 2017.

http://www.sandraandwoo.com/2017/02/13/banana-for-scale/

First instance I found on tineye.com was from July 19, 2017 and pointed here-

http://www.sandraandwoo.com/images/misc/ibm-5100-01.jpg

Link to tineye.com results-

https://tineye.com/search/3c7c3817e0938c28a12791b889cbebf82b576f1a?sort=crawl_date&order=asc&page=1