You must have gotten some of the first run models in the Phoenix Wargamers Club's female
IG project.
The second edition redone by DarkSoul were much better castings using better resin. He also added some female officer bits. I traded him some Ork stuff a few years back for two sets. There is a pic of the sprues from Spack's website somewhere in my Dakka gallery.
The potato masher is ace! The battle tank looks great too.