Nova headlining? new in original packing

Hi

I have a brand new headlining which I think might be a Nova one, it is in it's original GM packaging and has a part number of 90155673.

It came to me with a joblot of Astra parts which originally came from the competition deparment, but it is definitely not an Astra one and as I'm building a Mk2 Astra historic road rally car it is surplus to requirements, so if anyone on here can confirm what it is, I'll offer it for sale.

I've done a google search and found a German site that lists it as Headlining Opel Grey with a price of Euro 318.58!

any help would be appreciated

David