Inscribed Roman projectile

What is it?  This almond-shaped lead object is a type of Roman projectile known as a glans inscripta (‘inscribed bullet’). Measuring 4.5cm by 2cm by 1.7cm and weighing 71g, it has a dent at one end, probably  the result of having been launched from a slingshot  in antiquity. The weight of the projectile, as well  as its inscription, dates it to the Roman civil wars  in Hispania in the 1st century BC. On either  side, raised letters spell out the words ‘IPSCA’  and ‘CAES’. ‘IPSCA’ is thought to be the name of a local town, while ‘CAES’ is interpreted as an abbreviation of ‘Julius Caesar’. The words are therefore believed to