A badly damaged statue of Senju Kannon was discovered in the body of Kitamuki (north-faced) principal image, a hidden Buddhist statue, at Dojo-ji Temple in Wakayama, which seems to be the principal image from the early age of Dojo-ji Temple during the Nara period.
和歌山・道成寺の秘仏北向本尊像の胎内からは大破した千手観音像が発見されているが、これは道成寺草創期の本尊と思われ、奈良時代に遡るものである。