For generations, the traditional rubber stamp has been the standard way Professional Engineers apply their official seal. Even in an era of self-inking models and electronic eSeals, the regular rubber stamp of seal remains a reliable, widely accepted option—especially in offices and jurisdictions that still rely heavily on physical documents.What Is a Regular Rubber Engineer Stamp?A regular (or traditional) rubber stamp is a hand-held device consisting of a carved rubber die mounted on a wooden or plastic handle. Unlike self-inking stamps, it does not contain its own ink supply. Instead, the engineer presses the die onto a separate ink pad and then onto the document.