select distinct substring(name,1,1) from stamps ,color_master where year(stamps.issue_date)=1964 and month(issue_date)=6 and color_master.color_code=stamps.color_code and color_master.color='Gold Green and Dark Brown' order by substring(name,1,1)
IndianPost
Issue Date >> year >> 1964 >> month >> June >> Color >> Gold Green and Dark Brown >> Alpha >> D >>