At times, the storehouse went unopened for decades or even over a century; when it was opened in [[1833]], it had been 140 years since it had last been opened. In addition to heavy metal locks holding the doors closed, those locks in turn are ceremonially sealed with ropes and paper inscribed with imperial orders; the storehouse could not be opened except by imperial order.<ref name=tnmexhibit>Gallery labels, Shôsôin exhibition, Tokyo National Museum, November 2019.</ref> | At times, the storehouse went unopened for decades or even over a century; when it was opened in [[1833]], it had been 140 years since it had last been opened. In addition to heavy metal locks holding the doors closed, those locks in turn are ceremonially sealed with ropes and paper inscribed with imperial orders; the storehouse could not be opened except by imperial order.<ref name=tnmexhibit>Gallery labels, Shôsôin exhibition, Tokyo National Museum, November 2019.</ref> |