Anyone know what I have here?

[effe]

It looks like a card from a game of some sort. I have a total of 58 different and based on the players I've been able to narrow their date to 1959-60.
http://www.net54baseball.com/picture.php?albumid=633&pictureid=22689

[SikSyko]

They are from one of the Negamco games.

http://www.ebay.com/itm/VINTAGE-PRO-BASKETBALL-BY-NEGAMCO-COPYRIGHT-1959-1961-SEASON-100-COMPLETE-/132180743718?nma=true&si=4YmT7e%252B0XOpwHGH5iVZfctABWyA%253D&orig_cvip=true&rt=nc&_trksid=p2047675.l2557

[effe]

Thanks Chris