If you are looking for the official retail price of the game for the Nintendo 3DS:
The file is a compressed archive containing a ROM (game file) for Fire Emblem Awakening (FEA) , specifically the USA region version, likely optimized for use with Flashcards or emulators . FEA-USA-(FlashCard)-ROM-Ziperto.rar
typically range from $30 to $50 USD on platforms like eBay or Mercari. If you are looking for the official retail
As this is a digital file typically hosted on ROM-sharing websites like Ziperto, it does not have a "price" in a legal or retail sense. These files are generally distributed for within the emulation community, though downloading them may infringe on copyrights held by Nintendo. specifically the USA region version