A Victorian "castle-top" card case

A Victorian "castle-top" card case
MARK OF NATHANIEL MILLS, BIRMINGHAM 1847
Shaped rectangular, the front stamped with a view of Kronberg Castle, scrolled foliage and flowers above and below, the reverse stamped with scrolled foliage and flowers surrounding a presentation initial engraved cartouche -- 3 3/8ins. (8.7cms.), in later fitted case