There is no such power known as "legal rubber stamp" authority.

If your like history, here's a great online article about the invention of the rubber stamp.

You can create a personalized rubber stamp with your business logo on it using the 'Stamp design Wizard'. Customize one for your company at RubberStamps.com.

Rubber stamp crafts are popular because they are easy to learn and use, inexpensive and versatile. Artists at all levels can create crafts using rubber stamp techniques.

a rubber stamp congress means that any law or change made by the president would be passed most of the time.