Type 19 Variants; Lamps with Sharp Angle between Body and Rim; Variant Features. Broneer, Corinth, Vol. IV, Part II, Terracotta Lamps, Type III. Type 19 A; Lamps with Sharp Angle between Body and Rim; ... Agora 4 42 L 3961 L 1206 L 1950 L 1202 G 6:3 ... 4th quarter of 6th B.C.-480 B.C.