When you ask for identification of a piece of glass it is advisable to post
at least three pictures. It is also helpful to give dimensions - height , diameter, etc.
(a) a good side-on - profile picture
(b) a clear photo of the BASE
(c) A clear photo of the rim
(d) If it is signed as clear a photo of that as you can manage
(e) A general photo as you probably see it.
You have supplied (c) and (e) of the above list. It would be a help if you get a photo of both (a) and (b) and post them, I am assuming it is not signed but if it is take that as well.
Is it Scandinavian? Personally not sure. Holmegaard? I think it unlikely. Try consulting
http://www.HarderNet.dk A great Holmegaard & Danish glass site
http://www.glashistoriskselskab.dk/ Danish Glass Museum
Ross