The pomegranate is a symbol of Torah, by virtue of it's 613 seeds. It is also one of the three fruits brouht out of Caanan, by Joshua, on his survey of the land.
Text on enclosure:
" The pomegranate, with it's 613 seeds, is a symbol of Torah and the 613 mitzvotThe pomegranate is also a symbol of regeneration, vitality and new beginnings The 'Shehechianu' prayer is inscribed on the rim."
