The Mew contained in this Pokemon Blue save file is legit and was obtained from a ToysRus distribution in 1999. The first 1,500 customers at each Toys "R" Us store around the United States received a special 'Peel & Win' sticker card on November 26, 1999. 200 at each store contained the text "Caught Me!" underneath, which allowed players to receive a Mew from December 8 to 12, 1999. Legitimate Mews for GEN1 Pokemon games are extremely rare these days, due to the fact the save games