I had an aluminum radiator built by Ron Davis Racing. He used my original radiator as a pattern and created a full set of computer programs to drive their CNC machine. It looks wonderful. If you are interested, the guy to contact is Bill at www.rondavisradiators.com. I am sure you will pay less then I did, as I had to front the engineering costs.
Since my new radiator arrived, I will no longer need my original steel core unit. It has beed tested (boiled) and is healthy. It is boxed in foam. I have detail photos showing it without any paint. It is does have some rust on the lower right mounting flange which you can see in the photos, but it doesn't impact the core or tank.
I can ship it internationally. I could trade for a pair of window winders and/or rear glass. Let me know if you are interested and I will send some photos your way.