Is actually a number provided in the dust of each card.
You may even have your friends, spouse and children and co-workers write about the top three places they would like a gift certificate from. It is a good approach to use "unused" reward points and a way to get a couple of gift card to giveaway. https://Wiki.excito.org/index.php?title=Find_Out_More_About_The_Advantages_Of_Buying_E_Gift_Cards