CarrieM has contacted Boker and requested assistance on identifying the scale material. I am posting the correspondence below, only the email addresses have been changed to protect everyone.

Thank you very much Ernst from Boker!

From: Karen
Sent: Wednesday, February 11, 2009 9:19 AM
To: Joe
Subject: Fw: this is Boker Germany

Boker confirms that the scales are ivory

----- Forwarded Message ----
From: Ernst-Boker
To: Karen
Sent: Wednesday, February 11, 2009 4:44:31 AM
Subject: Re: this is Boker Germany

Hello, Karen,
you are correct, these are genuine ivory handles. If all of them look like this without cracks you are a lucky lady. With some thin oil you can prevent the carbon blades from getting rusty again. The fact that they eventually turn dark cannot be helped.
Ernst
----- Original Message -----
From: Karen
To: Ernst - Boker
Sent: Tuesday, February 10, 2009 4:36 PM
Subject: Re: this is Boker Germany

Thank you for the offer to assist Ernst. Here is the best picture I have at the moment. If this is not detailed enough please let me know and I will attempt to get a better picture of the scales. I think they may be polished ivory but I would like to confirm that.
Regards
Karen

From: Ernst-Boker
To: Karen
Sent: Tuesday, February 10, 2009 8:54:20 AM
Subject: this is Boker Germany

Dear Karen,
we are pretty sure we can identify the handle material of your razors.
All we need is a foto as clear as possible of your set. If all 7 razors are alike, obviously the foto of one piece is the best.
Thank you Ernst Felix