Inro: Because traditional Japanese robes lacked pockets, objects were often carried by hanging them from the obi, or sash, in containers. The type known as inrō were suitable for carrying anything small. The British Museum.
The coins at the top are made of aluminum and look and feel like play money, but they are important at the supermarket. The coins have a hole in them but no Roman number on them. The coins resemble British coins in color and size.