Actually the vase ends in a point and looks as though it might have been made in some form of epergne. It isn't damaged, unless it was never made as an epergne and actually had a glass foot attached to it at one point. Which is also possible I suppose - then it might have broken off at the foot I guess.
However the original poster has said hers is in a plaster base. So perhaps these were made to go in metal epergne stands of some sort?
But still.... that's quite a lot of money I think. But he is a beautifully enamelled lizard

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