The Series 7 chair, designed by Arne Jacobsen in 1955 and today one of Fritz Hansen's most frequently knocked-off products.  Photo 4 of 5 in What's the Big Deal With Authenticity, Anyway? Design Insiders Weigh In.

What's the Big Deal With Authenticity, Anyway? Design Insiders Weigh In.

4 of 5

The Series 7 chair, designed by Arne Jacobsen in 1955 and today one of Fritz Hansen's most frequently knocked-off products.