Sup Matteo, how about these two? I assume you want the Shiny version of the Mew.
(#493) Matteo's Michina Arceus from 12th movie, Lv 100, Cherish Ball (MICHINA, 02010, ITA)(Sinnoh, Platinum)
Jolly, Multitype
IVs: 31-31-31-31-31-31- HP Dark
EVs: /
Moves: Judgement, Special Rend, Roar of Time, Shadow Force
Redis Right: Not redis
Note: This is the special Michina Arceus from the 12th movie and it was downloadable at Italian Game Stop on Diamond, Pearl and Platinum games from 24 February 2010 to 11 April 2010. This Pokemon also unlock the Shinjo Ruins Event in HG & SS games.
(#492) Matteo's Gracidea Shaymin from 11th movie, Lv 50, Cherish Ball (Film11, 04019, FRE)(Sinnoh, Diamond)
Timid, Natural Cure
IVs: 31-30-30-31-31-31 - HP Ice
EVs: /
Moves: Substitute, Aromatherapy, Earth Power, Seed Flare
Redis Right: Not redis
Note: This is the special Shaymin from the 11th movie, and unlock the Gracidea Flower Event in Platinum; it was distributed in Diamond and Pearl games on 13 June 2009, at the Museum of Science and Technology of Milan, at the Italian Event for the 11th movie: this one is one of my more loved Pokemon because it remember me the special person who helped me to go to this event appositely for download this Shaymin; note also that this Shaymin has always a French nationality, even if it comes from Italian games.