Sir I've received a mail from NatWest bank about winning a lottery worth £ 950,000,00 is it true or not plz help me..these r some pics below about that mails..

lotto lottery
Sir, I have received a sms on my mobile phone by this number 00923004726472 that

This mobile number has benefited $450,000.00USD in the 2014 UK PRO-GRAM REF# 47506; Contact Mr.Robert Alex for details email: [email protected]

now please confirm that is their any such kind of lottery. ..??

Sir, I have received a sms on my mobile phone by this number 4884997 that

This mobile number has benefited $450,000.00USD in the 2014 UK PRO-GRAM REF# 47506; Contact Mr.Robert Alex for details email: [email protected]

And after further reply they issued me a wining certificate that I attached below.. and now they said to delosit $830 USD of cost price of transfer to Mr. Nick Dowler...now please confirm that is their any such kind of lottery. ..??