Thanks for the tip. At least its something, where before I had nothing. The H and V are literally the font I am using now, the & is an assumption on my part it could very well be something else, All somewhat soft and faint I think from fire-polishing.
The possibility that it is an earlier piece did cross my mind. The fact that the small pontil on the base left rough, the overfill on the rim and even the nice applied and shaped ring on the stem does not bring to mind French work c.1840. another pos of the mark:
.