RX-121 Gundam TR-1 [HAZEL] Head parts

A gift from January 2003 issue of Dengeki Hobby Japan Magazine, this part is a lost treasure. (At least for Gunpla Otaku like me) 

This head part, combined with MG GM Quel, reproduce the Gundam TR-1 Hazel gundam of "Advance of Zeta - Under the flag of Titans." 

Few days ago, I saw it on yahoo and won the bid for a price enough for two BB senshi = =|||

And here it is on my desk along with its other half: 

-hayashi