select distinct substring(name,1,1) from stamps ,color_master where color_master.color_code=stamps.color_code and color_master.color='Maltese Blue and dark Brown' and stamps.serial_no='0636' and year(stamps.issue_date)=1971 order by substring(name,1,1)
IndianPost
Color >> Maltese Blue and dark Brown >> Serial Number >> 0636 >> Issue Date >> year >> 1971 >> Alpha >> C >>