More details required - was this a real ticket or a fake one that she pretended to buy?
Or did you have to scratch three of a certain picture rather then just three of a picture??
Hmmm, I would pay off the mortgage, invest most of the money and buy a pin every 6 months with the interest/investment earnings.
RFM, Apollo13, POTC, a basketball pin and Cue Ball Wizard would be the first few.