select distinct substring(name,1,1) from stamps ,color_master where color_master.color_code=stamps.color_code and color_master.color='Dark Brown and Blue Grey.' and year(stamps.issue_date)=1967 and stamps.serial_no='0519' order by substring(name,1,1)
IndianPost
Color >> Dark Brown and Blue Grey. >> Issue Date >> year >> 1967 >> Serial Number >> 0519 >> Alpha >> B >>