I apologize for the lack of good photos. Someone sent these to me hoping to sell this vase. It looks to be a tongzhi mark and period of good quality. I usually only find badly enameled and painted export bowls with this mark. The mark looks stamped but I think they started to use stamped mark during tongzhi reign. Does it look genuine to you.?
A partial picture of the face, etc. would be required to check if it is Tongzhi or later.