The BlackBerry Priv is finished is a grippy plastic material. Some users have reported that its a bit plastic but have no fear, Karalux is here with its 24K gold-plated BlackBerry Priv. The gold plating comes cheap at a cost of $1,333. Plus Postage.
As much as I like gold finishes I just don’t see the point personally. However, a trip some years ago to Harrods Department Store in London, revealed a whole area dedicated to gold, diamond and other expensive finishes to iPhones and BlackBerry’s. Blackberry’s were very much in demand.
Source Android Authority
Gavin's Gadgets & Photography 
But most “normal” customers put their smartphones in a case and therefore the plastic back is less of an issue. The Blackberry flip case for the Priv is actually very functional and attractive so should be fine for most people.
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Saw a Priv on display at a Carphonewarehouse the other day. Only problem was that it was clamped on to an adapter which prevented the keyboard from opening!
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