Jidai (era) : early / mid-Edo period, 17 th / 18th century
Material : very well forged & carved fine iron plate with some fine sukashi / cut-out
with a rich & deep dark chocolate brown patina
Good workmanship with very nice details
Sizes : 8.1 cm x 8.1 cm or 3-3/16″ x 3-3/16″
Thickness : 3.8 mm