Georg Jensen Sterling Silver Necklace No. 106 by Nanna Ditzel

Georg Jensen Sterling Silver Necklace by Nanna Ditzel, no. 106 

This item is a larger size of the design, measuring 19" inches total in length with diamond shaped links. Post 1945, Denmark. 

A similar example of the design can be found on p. 274 in the book, "Georg Jensen Jewelry" edited by David A. Taylor.