Reward Redemption

This is  scam that I almost fell for as they offer a 100 dollar store coupon plus a 50.00 restaurant coupon but when I asked for an address for the coupon the caller began to slip about.   Her hesitation in giving me the address coupled to a quick web search alerted me to the fraud she was attempting.  Stupidly I had already giver her my card number but I told her not to process the charge and also that I was going to call the FBI and report this scam whereupon the scammer quickly hung up.  Thereafter I called and cancelled my credit card.  So with this said I want to thank everyone who has already reported this scam for it was your on-line record that saved me from falling prey to these scammers.