What type and model of designer sunglasses does the actor Jack Nicholson wear?

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Request for Question Clarification by pinkfreud-ga on 27 Mar 2006 12:55 PST

Jack Nicholson has worn a variety of sunglasses in various movies, but
if you're looking for the sunglasses that he wears at the Lakers
games, you can buy replicas from optician-to-the-stars Dennis Roberts:

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=7584482358

Are these the sunglasses you're looking for? If so, I'll be glad to
repost this as your official answer. If not, it would be very helpful
if you could give some additional details.