Atypical metal lamp medieval globe opaline style

Old large living room lamp luminaire atypical design. Work way medieval art era and crusade style. Lamp foot of shape vase baluster in metal richly worked, hammered and decorated. Large globe (not original) in white opaline glass with diameter 30 cm. Amazing bayonet lamp socket that looks bakelite color wine lie. Dating and origin of the unknown lamp. It is in perfect working order and aesthetics.