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Patek Philippe

A question on 3970

 

Will the value of a 3970 second series be affected if its case and crystal are replaced by Patek due to owner request?  By replacing the case, the original hallmarks on the 4 lugs are no longer available as a result of the new case does not have those same hall marks.  There is also a new transparent caseback put in but the original solid caseback is also availalble.  The original receipt is kept to show that the work is ordered through a patek AD.  Thanks for your advice.

This message has been edited by Dje on 2011-05-27 23:21:19

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