In Argentina a box of 28 15mg Rivaroxaban can be found for 147$ from Bayer's Xarelto brand.
An alternative laboratory may sell generic Rivaroxaban such as Roemmers, Bago For 50 to 60$ of equal quality.
It's incredible y ridiculous the overpricing of medicines in other countries.
If you have a private health plan or social security you can even get a 40% discount on these prices in here.