Why are brandies of Courvoisier and Martell not available in UK supermarkets now?

they still sell them in my local tesco|||i didnt notice that they were no longer on sale...are you sure? i hope you are wrong..they are the best brandies..and am buying my dad one for christmas!!|||my local co-op and Asda are selling them|||I own several corner shops and we stock them supermarkets r a rip off and a con shop local. i tell all my customers that my shop is ur shop .shop local and be proud anything you want i will get|||Are you sure you live in the UK? I bought martell to-day in Tescos.|||You can find them in most large supermarkets - keep looking.