Type 21 D; Curved Rims; Restricted Use of Glaze. Pit. Hesperia, XXII, 1953, p. 111, no. 179. Type 21 B; Curved Rims; Raised Bases. Type 21 Variants; Curved Rims; Variant Features. Type 21 A; Curved Rims; ... Agora 4 51 L 4382 L 4474 L 3413 L 2656 L 1189 L 4679 L 1205 B 19:7 G 11:3 G 6:3 D 7:2 ... 430-410 B.C.