Speedlines the same as Laguna Silverstones?

As title, are the optional Speedlines on the 200 the same as the Silverstones on the 01-05 Laguna?

I can't really tell much difference:

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And does anyone know if they will fit on a 200 as spare wheels?
 
They look different too me. There's a vertical groove running through the middle of each cavity.

Also, there are a few other subtle differences with the angles of the Vs and the curves...

At first glance though - they're identical!
 
They are different like above but they are very similar in design.

I got my self some for £70 from ebay, if they are not buckled then I will be refurbishing them but Laguna wheels have a habit of buckling so I have been told.
 
I think they look good, someone on here has fitted them before. Iirc they're a different offset too so they fill the arches better. To the trained eye it's a easy spot but to everyone else they'll look like speedlines