It´s available: The information card icon
Mike Jones told us that the information card icon is available now.
The icon looks like this. You should use it if you want to show that users are able to login or submit an information card:
You can download the icons here. Please read the guidelines.
Of course, I updated my login page :-) I would suggest you use this icon if you are using my ASP.NET 2.0 ToolBox for Windows CardSpace.