Criminal Code (Cap. 9), article 175

175. The same punishment establish ed in article 173 shall apply to any person who, without lawful authority or excuse, (the pro of whereof shall lie on the person accused), knowingly purchases o r receives, or takes or has in his custody or possession any pape r exclusively manufactured or provided by or under the authority of the Government of Malta, for use as envelopes, wrappers or postage stamps, and for receiving the impression of stamp dies, plates or other instruments provided, made or used by or under the authority of the Government for postal purposes, before such pa per has received such impression a nd has been issued for public use . Act of counterfeiting Public Seal of Malta, stamps, etc., defined.