House move + new Mac Pro = install no longer works

I recently moved across town and in the process streamlined my computers. I've migrated using migration assistant from a 2.0Ghz iMac to an 8 core Mac Pro. In the physical move I brought over my Aperture 2.0 upgrade disk, book and serial # but seem to have misplaced my 1.0 full retail version. I thought I had stuck the 1.0 serial number inside the 2.0 book but did not. *I figured that the migration assistant would be able to copy over aperture 2.1.3 and enable it for use. Sadly that wasn't the case*. Now I'm stuck with a full 2.X install on my Mac pro that is not activated for use along with all my photos.
Luckily I've kept my iMac and can use Aperture on it.
*Does anyone know how I can get my 1.X enabling serial number out of a 2.X upgrade install so that I can re-activate 2.X on my Mac Pro?* Short of that I'm looking at buying a copy of 1.X on ebay.....
+I should add, I am not asking for serial numbers and please DO NOT POST them in this thread.+
Message was edited by: Joseph Martin3

Just for future reference - I couldn't find my Final Cut Studio v1 serial number, but I had my email receipt from when I ordered it. I called up Apple support, went down the path for software and managed to get someone in licensing that when I faxed over my invoice and photocopy of my disk, generated me a new v1 serial number.
So if push comes to shove, if you can prove ownership/purchase Apple will provide a replacement serial number.

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