Within, Jennifer Larson. Ancient Greek Cults: A Guide. Routeledge, 2007 it mentions a terracotta of Hera in a very unusual way.
She is described as: “the enthroned goddess holding a spear, a child, a horse or a pomegranate” (page 37).
Hera, Enthroned with a Spear
Fiercely Bright One 