Complex Opening Sequence! Crafted and stamped by Mr. Yamanaka, 35 steps are required to unveil the main compartment. A secret space inside the lid contains a hidden 5 yen Japanese Coin! *Difficulty- Difficult Measures* 5.9 x 3.8 x 2.8 inches Second small compartment inside lid. Stamped with the Yamanaka's hanko. Will arrive with opening instructions and gift box.