X-Plus is starting a new series of busts called the Kaiju Kidoairaku Series with the first two being Red King and Kanegon. Red King is 20cm tall, Kanegon 16cm, both are polystone sculpted by Ryo. They will retail for 7,992 yen (approx $78 US) and will be released in Nov 2016 from AmiAmi and other retailers.
Note: updated pics with correct base (including name plate and shorter peg)