The Juichimen Kannon standing statues, the principle image of the Nigatsu-do hall of Todai-ji Temple (Nara), come in two statues, O-gannon and Ko-gannon both of which have never been unveiled.
東大寺（奈良）二月堂本尊　十一面観音立像　大観音、小観音の2体があるが、いずれも絶対の秘仏。