Not your regular Gunpla box it's going to be. ^^ I wonder if there's any illustration on the bottom of the box.
July 24th release, 2,625 Yen (inclusive of tax).
Images are from ToyWorld Forum.
On the other hand, extra large images of HGUC Angelo Sauper's Customized Geara Zulu. Click for larger view:
July 29th release (tentative date), 2,310 Yen (inclusive of tax).
Images are from Amazon Japan.