select distinct paper from paper_master,printsize_master,stamps where stamps.paper_code=paper_master.paper_code and paper_master.paper<>' '  and year(stamps.issue_date)=1957  and stamps.serial_no=\'0391\'  and printsize_master.printsize_code=stamps.printsize_code and printsize_master.printsize=\'3.34 cms x\'  order by paper