To get the neck size, measure from the center of the button to the far edge of the button hole. There was some discussion about how to measure neck size here: http://www.styleforum.net/t/10615/how-much-room-should-be-in-your-shirt-collar/0_100.
By the way, any plans to post pics of those Ferragamo ties?
Ok just so I understand 17 inches measured from the center of the button to the far edge of the button hole would mean that its a 16.5 neck?
Regarding the Ferragamo ties. I ll be taking pictures all day tomorrow so they sound be up by tomorrow night ...Sorry for the delay