$5.00 of the Zazzle Custom Stamp net sale price will be deducted when one or more qualifying sheets of Zazzle Custom Stamps are purchased and the coupon code CUSTOMPOST11 is applied at checkout. 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 until October 21, 2011 at 11:59pm PT. This offer does not apply to past purchases and may not be combined with any other Zazzle promotional or volume discount offers. If a volume discount applies to your order, you will receive either the discount set forth in this offer or the standard volume discount, whichever is greater. Offer valid on Zazzle.com only.