Hi Dollar,
Yes it seems to be right, the correct profile and copper bands. Not too sure about the colour though as the stencilling shows what looks like Ub W and that would make it a practice shell giving a smoke burst on impact and that would tie in with the thickness of the shell body, but the colour for that round is given as white, although drill rounds were painted red.
The screw in base would suggest a HE shell, but maybe that was used on more that just the standard HE.
A nice shell to have in your collection, quite jealous over here.
Best regards Weasel.