10% of the net sale price will be deducted when one or more Zazzle products is purchased with a net sale price equal to or greater than 40.00 dollars and the coupon code OBAMAZAZZLES is applied at checkout. For most products, the net sale price is the price of the product (excluding shipping and taxes). For Zazzle Custom Stamps, the net sale price is the difference between the price of the Zazzle Custom Stamps (excluding shipping and taxes) and the face value of the postage. Offer is valid from November 5, 2008 through November 14, 2008 at 11:59pm PST. This promotional offer may not combine with any other Zazzle promotional or discount offers.