And below is the link to the thread that discusses the cropping variations, like seen in the Rucker cards in the post above, between the black and blue background versions in some of the Series 3 M116 cards.
https://net54baseball.com/showthread.php?t=243848
And and double and, below is the link to a sortable (by name, team, series, and rarity) master checklist located on the Old Cardboard website.
https://oldcardboard.com/m/m116/m116SearchIndex.asp
And and andy and, below is an image and link to a lot of a group of 31 of the envelopes these cards came in, from an old Lew Lipset auction. There are 7 in this lot that contained cards from just one team.
http://www.oldjudge.com/archive/2004...adliners/10/#a
m116sportinglifeenvelopesoldjudge.jpg
Brian