BCC BW1-BW5 Islamic Weights Dirham Series

5 Islamic Bronze Weights
Caesarea Maritima
Fatimid? 10th -12th Century CE
Five Polyhedral, (Faceted Truncated Spheres)
with bird's-eye markings in horizontal rows.
Dirham series based on a unit of about 2.9 gm.
multiplied decimally and divided duodecimally.
1. 20 Dirham, Dia. 24mm. 57.71gm.
2. 10 Dirham, Dia. 18mm. 28.70gm.
3. 5 Dirham, Dia. 14mm. 14.16gm.
4. 1 Dirham, Dia. 8mm. 2.86gm.
5. 1/3 Dirham, Dia. 6mm. 0.96gm.
The largest weight is very close to 60x the
smallest. cf. Holland, W.W.O.C.M. #123-#128
and Holland, "ANSMN 31 (1986)" #3-#39
Surface finds Caesarea Maritima, 1970's
J. Berlin Caesarea Collection