Many thanks for your thoughts Paul

Glad you like it. Lots of things to think about....
Firstly, size - the bottle itself is 4" high and heavy. However, my OH seems to think that underneath the "silver" it may well be brass as it looks yellowish (I've added a couple of pics. to show).
Would they have silver plated brass, or could this colouration have been caused by the perfume itself?

You are quite right about the stopper. Whilst I thought it was a snug fit, it does actually rock slightly from side to side, whereas my other perfume bottles with similar stoppers do not.
I'm not able to check whether it is silver yet using silver polish or Brasso. I'll have to buy some or cadge some.We don't have anything silver so have no need of it. I did try lemon juice

but that didn't work.
Theres lots of ancient wear to the base, but no staining that I can see. However, it does smell of old fashioned heady scent and it reminds me so much of my old Auntie Betty, (Gertrude, but called Gert by her friends and Betty by nephews and nieces) with her heady perfume, Ponds face powder, powdered rouge and home perms. I don't think she was ever a flapper though, well not whilst she was a land girl but you never know;D
The bottle itself seems quite well made and I've done a closeup of its sawtooth cutting which separates the four columns of pin wheel/hob star patterns. Not sure what you really call this kind of cut pattern.
For some reason the pattern on the metal bit reminded me almost of Indian paisley pattern, and I just wondered if it was may be from that part of the hemisphere?