| 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; Plain Bottoms Type 21 C; Curved Rims; Long Wide Nozzles Hesperia, XV, 1946, p. 334, no. 346 Well Other Ostraka Hesperia, XV, 1946, p. 335, no. 350 | | 430-410 B.C. 1st quarter of 5th B.C. Last years of 6th B.C.-480 B.C. 500-480 B.C. 480-479 B.C. | |