Start/End Dates	2016-03-05 through Unknown End Date
Country	Japan

Details

The official Japanese Pokémon website announced that to celebrate the 20th anniversary of the launch of Pokémon Red and Green, GAME FREAK Director Junichi Masuda would visit some of the Pokémon Centers in Japan for autograph sessions and to distribute his Koduck.


Those that were selected via lottery received a special Clear Card (特製クリアカード) which could be used to get Masuda's autograph and features the artwork from GAME FREAK's New Year 2016 Pokémon 20th anniversary card.


Masuda's Koduck was distributed to players of Omega Ruby and Alpha Sapphire but only on the days and at the Pokémon Centers listed below. Those shopping at the Pokémon Centers could also get a pack of Pokémon Center Original Pocket Tissues which featured pictures of the 151 Pokémon that were in Pokémon Red and Green.

Distribution Dates and Locations
Pokémon Center Mega Tokyo - March 5th, 2016 - Starting at 13:00
Pokémon Center Hiroshima - March 19th, 2016 - Starting at 13:30
Pokémon Center Fukuoka - March 20th, 2016 - Starting at 10:30

Further dates were revealed after the initial 3 distribution locations.


Pokémon Center Yokohama - April 16th, 2016 - Starting at 13:00
Pokémon Center Nagoya - April 17th, 2016 - Starting at 13:00
Pokémon Center Tokyo Bay - May 14th, 2016 - Starting at 13:00
Pokémon Center Tohoku - May 15th, 2016 - Starting at 13:00
Pokémon Center Osaka - May 28th, 2016 - Starting at 13:00
Pokémon Center Kyoto - May 29th, 2016 - Starting at 13:00
Pokémon Center Sapporo - June 4th, 2016 - Starting at 13:00



Source: http://www.pokemon.co.jp/info/2016/02/160219_p01.html

Twitter Post

Source: https://twitter.com/Pokemon_cojp/status/700605790730608640