ID in this catalogue SD RMO F 1987/2.2
Type Semicircular 
Current Location Rijksmuseum van Oudheden, Leiden 
Catalogue Numbers F 1987/2.2 
Provenance Unknown, acquired in "art market" (Raven 1989
Date Late Period or Greco-Roman Period (museum web database), 8th - 1st C BC (Raven 1989)
Dimensions H 61 mm, W  90 mm, D 12 mm (Raven 1989)
Material Faience (Raven 1989)
Markings and inscriptions Thirteen radial lines marking twelve hour zones. A small round hole for the gnomon. A flat rectangular hole above it is linked to a hole in the upper surface and was used to suspend the sundial (Bickel and Gautschy 2014). 

Raven (1989)

Clagett (1995)

Bickel and Gautschy (2014)

Salmas (2014)


An image is available in the Museum database here