roman lady lamp statue

I have had this statue of a lady in roman attire witch is also a lamp for 47 years,my step dad brought her home for me when i was 8yrs old ,someone was going to put her out to the garbage and my dad put her in the cab .so ive kept her with me all these years.She stands aprox. 3feet tall and is set up as a lamp,she is made of  a plaster or like material.she is standing holding a water or wine earn,like shes pouring it.her clothing resembels roman design.i dont know much about her but its time to find out as much as possible.I am minimalizing my life and have quite a few things to share.i cant find any signatures or like that and no dates I just know shes older then 50 yrs. old.

thank you debbie