Antique pressed glass open salt in silver plate holder

Here's a neat op shop find I picked up yesterday on an excursion to Sydney!
This was from an op shop I've had a few finds from in the past, located in the upmarket inner city suburb of Paddington. As this shop has also provided me some good designer fashion finds & books besides glass, it's always worth a look.
And thus I was rewarded with this stylish open salt.
It is made from bright blue pressed glass with diagonal ribbed pattern. The salt sits in a silver plate stand that is marked Germany on the reverse. In perfect condition.
Not sure of era but I'm feeling more of an Art Deco vibe than Victorian, despite the stand having much in common with the metal stands seen on Victorian open salts.