³ tn Or “500 shekels.” Verse 24 specifies that the sanctuary shekel was the unit for weighing the spices. The total of 1500 shekels for the four spices is estimated at between 77 and 100 pounds, or 17 to 22 kilograms, depending on how much a shekel weighed (C. Houtman, Exodus, 3:576).