after googling the number there are 2 other ads on BP

http://newyork.backpage.com/TranssexualEscorts/the-real-playmate-marissa-madison-in-town-to-fulfill-your-wildest-fantasies-23/34973869

http://bronx.backpage.com/TranssexualEscorts/the-real-playmate-victoria-madison-in-town-to-fulfill-your-wildest-fantasies-23/34540285

Neither is using the same pictures and they are all extremely hot looking. I would stop rght there, but just to make sure, search the image

A tineye search reveals that they are stolen pics.
The actual model is Tiffany Toth, see more here - http://coedmagazine.com/2010/12/22/miss-coed-tiffany-toth-47-pics/

but save your money.