Common seal is a type of Embossing Seal & is an official seal used by corporate bodies. (Sometimes referred to as the Corporate Seal or Company Seal) which we using advanced engraving technology machine & high-quality brass plate give your seal press a superior imprint. 

Common Seal is generally used for documents which needs to be executed as deeds (contract) & certain corporate document like Share Certificate.

Another term for common seal is called an embosser. It can be made into a branding effort, arts & craft tool.