this huge model was released at around year 2008, this is to celebrate the 10th year Anniversary of Mastermind Japan, in collaboration project with Gundam.
This model was sold for 399,000 Yen or around 4,700 USD - 5,000 USD!
this time they made a Perfect Grade Zaku II (Mastermind color ver.)
more information about the 1/60 Perfect Grade Zaku II (Mastermind Color ver.) HERE
images from hypebeast.com