Yes. I THINK the game was not exported to the USA at all. It was originally in a "kit" form, but it ended up being a machine in its own right.
Did Stern make any of these in the US?
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Not to the best of my knowledge. Cosmic Princess was produced in NSW, along with Australian versions of Meteor and I think - Galaxy. I know my Meteor was definitely produced in Australia as the cabinet artwork was different and the backglass had an inscription "Produced by LAI under license" or something like that.
I know we HAD a Cosmic Princess as it was parted out many years ago. The cabinet was used to make shelving, and the MPU (inc ROMs) are used on my Bally/Stern test fixture !