CIIIR1:  Roman Weight

Commercial geometric weight of Italian origin, 300 B.C. to 2nd century A.D. Polished black basalt weight of a truncated ellipse form; measures 230 mm x 190 mm at the bottom, 245 mm x 210 mm at the middle, and 175 mm x 150 mm at the top. Marked with "IPP" in dots. Identified by Kisch. Reference: Kisch. Scales and Weights, page 92; illustrated Fig. 45, p. 94. Skinner. Weights and Measures, pp. 63-66.