The Mew contained in this 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 on Pokemon Red, Blue and Yellow game cartridges get erased when the battery inside the game cartridge runs out. Luckily wilykat from the EverDrive forums had backed has save game up so was able to share this rare Pokemon GEN1 event Pokemon with us.
More information on this event can be read on Bulbapedia.

The save below is compatible with Pokemon Blue USA or European versions of the game and can be:
Download:
Download Pokemon GEN1 Legit Mew Save From ToysRus Distribution [Red, Blue, Yellow]
Screenshots:
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 on Pokemon Red, Blue and Yellow game cartridges get erased when the battery inside the game cartridge runs out. Luckily wilykat from the EverDrive forums had backed has save game up so was able to share this rare Pokemon GEN1 event Pokemon with us.
More information on this event can be read on Bulbapedia.

The save below is compatible with Pokemon Blue USA or European versions of the game and can be:
- Transfered to a physical Pokemon Blue cartridge using a Gameboy Transferer 2
- Transfered to the Nintendo 3DS Re Release of Pokemon Blue using a hacked Nintendo 3DS with SaveDataFiler
- Used with Pokemon Blue running on a Game Boy Emulator
Download:
Download Pokemon GEN1 Legit Mew Save From ToysRus Distribution [Red, Blue, Yellow]
Screenshots:
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