<p>Wait and see if he squirms out of sending the serial and a picture of the MacBooks base (as this contains the serial number) don't as for the box serial, if it is bollocks then i would report him!</p>
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<p>The Mid 2012 Retina MacBook Pro came in at 2.6Ghz with a 512GD SSD, it COULD be that model. They also came with OSX 10.7.4 and 8-16GB Ram</p>
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<p>I have the 2013 2.7Ghz Retina MacBook Pro with 16Gb ram...</p>