American TAD Juli Simf Enclosed a Travel Check Voucher of $1,350 to redeem by April 19, 2013 Scottsdale , Arizona

I have received by mail today, April 9th this sketchy voucher from American TAD or Travel Union for a 2 round trip airline tickets to anywhere in USA from any major international US airport valued at $1,350. The voucher claims that this is a final notice after multiple attempts on contacting me, and that I must redeem it by April 19th. Really ? This looks like a scam to obtain more personal details specifically on financial matters, including credit card details or bank accounts. Be careful and don't get your adrenaline up if you ever receive a similar voucher. Just ask yourself, why would you get such a free voucher if you have never participated in any contest or raffle draw through a company you have done business with and there is a valid reason for them reward you ?