select distinct substring(name,1,1) from stamps ,np_master where year(stamps.issue_date)=1957 and stamps.serial_no='0393' and np_master.np_code=stamps.np_code and np_master.np='P' order by substring(name,1,1)
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Issue Date >> function.mysql-connect >> function.mysql-connect >> Serial Number >> 0393 >> Currency >> P >> Alpha >> C >>