Gresso’s Skeleton Gold Phone is a very sexy phone but its hottest feature is without any doubt its "polished 42k sapphire glass" transparent back.

This Win Mo 6 –enabled baby is a perfect combination of ceramic, titanium, 18K Gold, leather, steel while underneath all that it hides 64MB of memory, Bluetooth support, 2GB of external storage and last but not least tri-band GSM/ GPRS support.

Gresso will release on the market only a limited edition of 50 units each selling for $4400.

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