Antique Japanese shinto mirror, tenka ichi. This mirror has a tassle tied through a turtle. The central motif is of a turtle over bamboo meeting the beaks of two cranes. The birds and turtle are on a beach with pine trees and bamboo bushes. This mirror would have been placed along with three others at the entrance to a shrine for those entering to see their reflection as they entered. Made of bronze, Edo period (c1800).
It measures 4 5/8" by 1/2" deep.