Explanation 1: It is not essential to counterfeiting that the imitation should be exact. Explanation 2: When a person causes one thing to resemble another thing, and the resemblance is such that a person might be deceived thereby, it shall be presumed, until the contrary is proved, that the person so causing the one thing to resemble the other thing intended" by means of that resemblance to practice deception or knew it to be likely that deception would thereby be practiced. 29. Document: The word "document" denotes any matter expressed or described upon any substance by means of letters, figures or marks, or by more than one of those means, intended to be used, or which may be used, as evidence of that matter. Explanation 1 : It is immaterial by what means or upon what substance, the letters, figures or marks are formed, or whether the evidence is intended for, or may be used in, a Court of Justice, or not. Illustrations A writing expressing the terms of a contract, which may be used as evidence of the contract, is a document. A cheque upon a banker is a document. A Power-of-Attorney is a document. A map or plan which is intended to be used or which may be used as evidence, is a document. A writing containing directions or instructions is a document. Explanation 2: Whatever is expressed by means of letters, figures or marks as explained by mercantile or other usage, shall be deemed to be expressed by such letter, figure or marks within the meaning of this section, although the same may not be actually expressed. Illustration A writes his name on the back of a bill of exchange payable to his order. The meaning of the endorsement, as explained by mercantile usage is that the bill is to be paid to the holder. The endorsement is a document and must be construed in the same manner as if the words "pay to the holder" or words to that effect had been written over the signature. 30. "Valuable security": The words "valuable security denote a document which is, or purports to be a document whereby any legal right is created, extended, transferred restricted, extinguished or released, or whereby, any person acknowledges that he lies under legal liability, or has not certain legal right. Illustration