The first grey Danbo, the Cornerstone version or the “foundation” version, was made to commemorate the first Revoltech Danbo which came out on 19 December 2007! It features this date on its front and the back of its head.

Size	80mm
Manufacturer	Kaiyodo
Barcode/JAN Code:	4537807050700
Company/Event:	store428d.com
Originally Released:	2019

NOTE: All my research comes from the Danbos I have collected and research on the internet, so I acknowledge that my information may be incorrect or I do not have all the details. Any information you can help me out with is appreciated.