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)=1984 and month(issue_date)=2 and printsize_master.printsize_code=stamps.printsize_code and printsize_master.printsize=\'7.82 x 5.7\' and stamps.serial_no=\'1115\' order by paper