You are buying a Non Shiny Jolly FAL2010 Mew for Pokemon Omega Ruby, Alpha Sapphire, X or Y, the Mew is flawless with all 6 Perfect IV's in HP, Attack, Defence, Special Attack, Special Defence and Speed, also comes with Any Berry, Any Megastone or almost any other Item on request :) 

The Mew has Max (252) EV's in Attack and Speed with remaining 4 in Special Defence.

Once you have paid i will need you add me as a Friend on your 3DS (Trainer Name Thor, FC 0662-3786-3833) and send me a message on Ebay with your own Friend Code and Trainer Name in Pokemon X, Y, Omega Ruby or Alpha Sapphire. If you are looking for something else i have over 700 Pokemon available, please check my Store Here. I can also take requests as well if you want something I don't have. I am available 8+ hours most days so most Pokemon can be sent the same day you purchase :)