Type K plug-in late style


Kurt Rosenfeld
 

Most Type K plug-ins are of the early style, which looks like this:
https://w140.com/tekwiki/wiki/K#/media/File:Type-k.jpg

There is also a later style that looks like this:
https://i.ebayimg.com/images/g/CmYAAOSwNJRgPcjV/s-l1600.jpg

Can anyone provide photos of the internals of the later style?