July 11th release, 1,260 Yen (inclusive of tax).
Images from Happinet Online.
On the other hand, Robot Damashii Web has two images of this month's Robot Damashii releases:
Crossbone Gundam will have a much bigger box than many of the previous Robot Damashii [Side MS] releases.
The official release date for [Side MS] Garazzo [Hiling's Unit] was yesterday (June 20th) - 2,940 Yen (inclusive of tax). The other three: [Side MS] Crossbone Gundam - 3,150 Yen, [Side KMF] Lancelot Albion (3,990 Yen) and [Side LFO] Nirvash type ZERO spec 2 (4,725 Yen inclusive of tax) will be available on June 27th. That Baby Nirvash as shown on the packaging is the special prize for the first batch of release.
Images from Robot Damashii Web Diary.