▁Ham on ▁Barb ier . ▁There ▁is ▁also ▁an ▁elaborate ▁tab ern acle ▁in ▁g ild ed ▁bronze . ▁ ▁The ▁remains ▁of ▁saint ▁Pol ▁are ▁said ▁to ▁be ▁buried ▁at ▁the ▁foot ▁of ▁the ▁main ▁alt ar ▁under ▁a ▁black ▁mar ble ▁pla que ▁whose ▁original ▁ins cri ptions ▁were ▁m util ated ▁during ▁the ▁French ▁revolution , ▁The ▁modern ▁ins cription ▁reads ▁" S ep ul c rum - san ct ▁Paul i - C ivil atis - Le on ens ium ▁pont ific is ▁et v pat ron i - ob it ▁anno ▁D L XX ." ▁Bey ond ▁the ▁main ▁alt ar ▁is ▁a ▁small ▁ar mo ire ▁with ▁the ▁coat ▁of ▁arms ▁of ▁Mon se igneur ▁de ▁Ker ac ret . ▁ ▁The ▁upper ▁part ▁of ▁the ▁cho ir ▁is ▁en closed ▁by ▁a ▁bal ust rade ▁in ▁k ers anton ▁stone . ▁To ▁the ▁right ▁of ▁the ▁main ▁alt ar ▁is ▁a ▁double ▁cred ence . ▁In ▁the ▁cho ir ▁v ault ing ▁are ▁the ▁co ats ▁of ▁arms ▁of ▁Mon se igneur ▁Fer ron ▁who ▁was ▁the ▁Bishop ▁of ▁Lé on ▁from ▁ 1 4 3 0 ▁to ▁ 1 4 7 2 , ▁the ▁arms ▁of ▁du ▁Ch ast el , ▁the ▁arms ▁of ▁Mon se igneur ▁Valid ire ▁the ▁Bishop ▁of ▁Lé on ▁from ▁ 1 4 2 7 ▁to ▁ 1 4 3 2 , ▁the ▁arms ▁of ▁R oh an , ▁the ▁arms ▁of ▁the ▁town ▁of ▁Saint - ▁Pol - de