Red glass vase with ceramic ?

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I picked up this vase several months ago, it is a ruby red colour with gold flecks, with an eggshell blue ceramic affect on the lower part of the vase, the base of the vase feels a little like fine sandpaper rather than glass. Anyone have any suggestions as to origin?

the greyish blue colouring towards the bottom is like a matt enamel, and the gold flecks seem to be just beneath the surface. When the light passes through it shows a deep ruby red through the glass but no light passes through the bottom.

The vase would have been marvered (rolled onto) crushed enamels whilst still hot to give that matt effect - the same effect can be seen on a Holmegaard 'Asymmetrisk' table lamp (not that I'm suggesting your vase is Holmegaard):

Never heard that term before, very interesting, thanks very much Nic.