Hi - welcome to the GMB

- if you're saying that you can find the exact pattern in uranium and clear, then this would seem to suggest your piece must be Crown Crystal, although always possible the mould may have subsequently changed ownership - take it that this piece is fully mould-made. Had a brief look at pieces from Crown Crystal and as you say this colour not shown, but it might be rare. I like the colour - a sort of almost fiery orange. Is the matte effect created by acid or sandblasting, do you know?
Depression glass has been very big with States collectors, but the U.K. appears not to have specifically produced glass described as such, and we tend currently not to see much States material on the GMB, and probably even less from Oz.
Have you tried other glass forums with this question?
Sorry to be negative - hopefully someone here might recognize your piece.

It won't help with attribution, but will be of interest if you will provide details of height. thanks.