Ca. 100-300 AD.A mould-made terracotta oil lamp with concave discus bearing a relief image of a meta with seven dolphins, a turning marker for chariot races. The shoulder of the lamp is flat, with concentric circles framing the tondo. A filling hole near the center. The nozzle channel is wide and decorated with volutes on each side. To learn more about chariot races in Ancient Rome see Humphrey, John H. (1986). Roman Circuses: Arenas for Chariot Racing. University of California Press. This item comes with a description and invoice from the Arete Gallery, Zurich, 1977.Size: L:30mm / W:100mm ; 65gProvenance: Property a London Ancient Art Gallery, acquired on the UK Art Market; Ex Collection P.R., Southern Germany, around 1970 - mid-1990s, acquired a) from Galerie Arete, Zurich, 1977, b and e) from Galerie Günter Puhze, Freiburg.