This miniature sundial has a rounded back. Some engraved letters below the dialface surface are still traceable (see 3D-model, e.g. ending area of hourline 3). Gibbs: A gnomon groove 5 mm wide remains in the top surface of the dial.
References
, CG.03.
Gibbs, Sharon L.: Greek and Roman Sundials, New Haven and London, 1976, p. 155.
Petrie, William M. Flinders: Naukratis, London, vol. 3, 1886, p. 16, plate XVIII, no. 6.
DOI: 10.17171/1-1-596 Title: Dialface ID 41 Creator: Berlin Sundial Collaboration Publisher: Edition Topoi Publication Year: 2014 Subtitle: London, Inv. Nr. Reg. No. 1886,0401.1477 Add. No. 1909, 0216.10 Description: Information on the Dialface ID 41 / Object ID 42