Anyone Know what/when this Steelers Team Card is:
 

Any help with information on this would be appreciated - Thanks

<a data-flickr-embed="true" href="https://www.flickr.com/photos/150864751@N07/50000972081/in/album-72157711330478736/" title="1500"><img src="https://live.staticflickr.com/65535/50000972081_41a9daee94.jpg" width="500" height="305" alt="1500"></a><script async src="//embedr.flickr.com/assets/client-code.js" charset="utf-8"></script>

1968 Topps Test Team Issue #5