Watch List notes:

temp. Titus. AD 79-81. Æ Seal Box Cover. Piriform-shaped seal box hinged cover, decorated with diademed and draped bust right, done in repoussé. Traces of hinge remaining. Overall dimensions: 26mm (length); 16mm (width). Weight: 0.91g. Cf. R. Hattatt, Ancient Brooches and other Artefacts (Oxford, 1989), pp. 461ff (for general type); cf. http://www.ukdfd.co.uk/pages/roman-seal-boxes.html (for construction and usage information, as well as other examples of the type) . VF for type, green patina with hard green deposits. Very rare.