"Honestly, where do the Customs buy there drugs? Six kilos for £372,000 they really are getting ripped off!"
£62,000 per kg is a street value figure based on C&E research, and accepted by the courts as a basis for comparison.
If the person concerned is convicted, (and of course it is a big if; they have to be proven guilty) then the likely sentence will not be far from the ten year mark, depending on circumstances.