I am in Orange County California, and I went on a trip with my Aunts & Cousins, all of us exchanged our money at once. We can our money to my Aunt, and she gave us checks with her signature on the top back. Was no problem to use them in Brazil, but now we are back in America, and I would like to get my $100 back. I live in California and she lives in Minnesota though. So is there anyway for me to get the money off it without having her present to sign it & get it cashed for me?