Alaska Airline First class upgrade voucher

I have a couple of Alaska Airlines one-way First Class Upgrade Certificate with an expiration date of December 31, 2009.

Upgrade certificate entitles the holder to one "one-way upgrade" anywhere Alaska Airlines flies. This includes Hawaii, Mexico, Alaska and the continental US.

Upgrade is fully transferable and valid on any purchased fare. You must book directly with Alaska Airlines to purchase your seat and upgrade space is capacity controlled and subject to "U" space availability.

Their reservation line is 1-800-252-7522 or Alaska Airlines' web site is www.alaskaair.com When reserving and puurchasing your travel itinerary tell the reservation agent you will be using the Alaska Airlines Complimentary First Class Upgrade and mention Code "RC-CU09".

Upgrade is valid on flights numbered #1-999 operated by Alaska Airlines as well as Alaska Airlines operated connecting flight segments on a one way basis.