▁B CE , ▁and ▁the ▁art istic ▁m ason ry ▁shown ▁also ▁suggests ▁work ▁was ▁done ▁during ▁the ▁third ▁century ▁B CE . ▁Account s ▁of ▁the ▁temple ▁say ▁it ▁was ▁made ▁of ▁bronze , ▁but ▁due ▁to ▁the ▁dep iction ▁on ▁the ▁co ins ▁it ▁is ▁assumed ▁that ▁only ▁the ▁interior ▁was ▁she athed ▁in ▁bronze , ▁as ▁the ▁exterior ▁is ▁shown ▁with ▁Ash lar ▁m ason ry . ▁ ▁See ▁also ▁P ax ▁Rom ana ▁Temple ▁of ▁Jan us ▁( For um ▁Hol itor ium ) ▁N uma ▁Pom p il ius ▁ ▁References ▁ ▁Further ▁reading ▁▁ ▁Cast agn oli , ▁Ferd in ando . ▁ 1 9 8 8 . ▁“ G li ▁i ani ▁del ▁For o ▁Rom ano . ▁Ian us ▁ar co ▁quadr if onte ? .” ▁Bul lett ino ▁della ▁Comm iss ione ▁Ar che olog ica ▁Comun ale ▁di ▁Roma ▁X C II : ▁ 1 1 - 1 6 . ▁Clar idge , ▁Am anda . ▁ 2 0 1 0 . ▁Rome : ▁An ▁Oxford ▁Arch ae ological ▁Guide . ▁ 2 nd ▁ed ., ▁re vised ▁and ▁expanded . ▁Oxford : ▁Oxford ▁University ▁Press . ▁ ▁Co arel li , ▁Fil ipp o . ▁ 2 0 0 7 . ▁Rome ▁and ▁En vir ons : ▁An ▁Arch ae ological ▁Guide . ▁Ber keley : ▁University ▁of ▁California ▁Press . ▁De Bro h un , ▁Jer i ▁Bla ir . ▁ 2 0 0 7 . ▁“ The ▁G ates ▁of