Where to Buy Garmin "City Navigator Europe NT v9" DVD?

 

Is there an on-line discount store for the Garmin City Navigator Europe NT DVD? I have found several places that sell the standard (non-compressed) version, but not the NT version. Is Garmin the only source to buy it?

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Garmin Nuvi 350, v6.2, City Navigator North America NT 2012, City Navigator Europe NT v9

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