Ampro (and friends) Ad Gallery
This is the ad I first remember seeing for the Little Board.
Here's another early ad for the Little Board.
Here we see an ad that has the Bookshelf systems and the SCSI Plus, a daughterboard for the original Little Board.
Now the Little Board Plus is offered, a Little Board with the SCSI interface integrated in. This is the board I have. Note that it is offered at the price of the original Little Board.
The Little Board became big enough that many third parties began offering items for Little Board based systems. Here's one example.
Here is a nicely detailed ad from Micro Cornucopia in October 1986.