Roman Terracotta Oil Lamp; Roman Terracotta Oil Lamp, ca. 2nd-3rd Century AD. Bi-Riga traveling left, the driver holding reins in right and extending whip. R: LMADIEC. Provenance: Private Collection, Oregon, acquired 1980s. L. 3.9" W. 2.6" ( 9.9 cm x 6.5 cm x 2.3 cm)..