Writing paper box with maki-e design of Aoi crests and arabesque

This is a piece of the bridal trousseau owned by Princess Sumi. Sumi was a daughter of the Tayasu-Tokugawa family — one of the three privileged branches of the Shogun family — and became the wife of the 12th lord of the Yanagawa domain.
The box is decorated with gold and silver maki-e designs of Aoi (hollyhock) and arabesque patterns over the gold lacquer finish of nashiji (pear-skin ground). The Aoi represents the crest of the Tayasu-Tokugawa family.