CoroCoro 40th Anniversary Charizard .

This event was distributed by CoroCoro as a Limited Serial Code Event.
A Charizard was chosen to be distributed, as it's described as CoroCoro No.1 Most Popular Pokemon.

It's interesting to note that the Trainer ID 565640, represents CoroCoro 40.
5 [Go] sounds like Co, and 6 [Roku] first syllable is Ro.
 

Species   Charizard   Nickname   (default, save lang)   OT   コロコロ   TID   565640   Distribution   Serial Code   Location   a lovely place   Dates    Mar 15 to May 14, 2017   PID   Cannot Be Shiny   Games   JP 3DS: SM

Lv. 40

Nature   Jolly   Ability   Blaze (1)   Item   None   Bundled Item   None   Card Per Save   Only One Allowed  Classic

Moves   (ITALIC means Relearnable)   Flare Blitz   Dragon Claw   Fly   Dragon Rage

WC ID 224: 「コロコロ40しゅうねん　リザードン」's receiving text

0x2C Thank you for playing Pokémon! Please pick up your gift from the deliveryman in any Pokémon Center.

Format Ver.1.0.5-4, Post Updated Date:20171105_1537