Stamps are certifying seal forms, which are means of protection from forgery documents, powers of attorney, invoices, statements etc. The overprint in document serves for certify authentication of fact, included in document and for confirm its official nature. Stamps are one of attributes of company, exactly they are means of individualization of firm. There are a lot of documents which do not have a legal validation without determinate stamp. When making a stamp, at the request of the orderer standard sample may include protection elements – grid, pigtails, ultraviolet protection. The additional element is a logotype of company, which is also an element of individualization.