RBC Financial - International Finance Dept Award Scam Windsor, Ontario

I received a letter from RBC Financial dated Jan 26, 2010.  The letter gives the claim number RBF-014-2465 and says it's a final notice. 

The letter states that I was a winner in a Consumer Promotion Draw organized for customers of major stores in the US and Canada including Walmart, Sears, Home Depot, etc.  The letter says that my name was attached to an entry slop with the serial number 5674588.

The letter states that I wond $50,000 and enclosed was a check for $3,650 to pay for non resident government taxes, and that I am to Western Union $2,480.  The letter also specifically states "Please do not act on this notice until you speak to your claim agent," and is signed by John Garfield.  The number that was provided is 905-781-5101.

The check is a cashiers check from Bank of America, Nolensville Rd. (no number before), check number 568820.  Signed by R. G. Friend (?)