This is merely a guess based on the two pictures and lack of a makers mark but I would guess it is Victorian silver plate that has recently been replated and a false sterling mark added. But I have little to go on so this is purely conjecture.
for me the sterling silver mark does not seem period-appropriate, the uneven tarnishing at the foot/ base edges makes me suspicious and its construction reminds more of plated ware rather solid pieces. That is why I suspect plate. Do you have a picture of the underside of the base? that could hold more clues
An investigation into the funnel-like base might reveal a hallmark, I have seen a similar shape (although without the additional applied elements) which had plaster inside the base added for extra stability, and when that plaster was removed, there was a hallmark to be discovered ::: If there is more information, I agree that it is there that it might be discovered :