mystery radiator cap (glass lady)

Does anyone know what this cap would go on? I think it is a lalique but Im not sure

 

Hmmmmmm,

 

Yea, what he said.

 

I guess that is the mystery??? Or maybe I am going blind like mom said...

 

Second Thread today with a white thing on a white table.
Scotty.

 

Or maybee it's a glass thing on a glass table?

 

In a glass house during pea-soup fog?

 

LMAO!!...THANKS...for the big laugh!..going to do this for a 40th birthday card.

 

Henway

 

I'm guessing from the picture that it goes on a White.