Strange vase looks likeTroika?

This vase stands 12" high and is 4 1/2" wide, it resembles Troika but I don't think it is, it has a hairline which is at the rear and it isn't noticable.
if anyone knows where it comes from please let me know.
We have just been informed that this is " Shelf Pottery" from Halifax, Yorkshire, and can now put a price on it. Read more