Send a gift certificate with a personalized message in any denomination with instructions for redemption. Choose an eGift Certificate or pick up your Certificate at one of our locations. They can be used toward vacation packages and travel services booked through WorldTravelService® and Antietam WorldTravelService. Gift Certificates may not be redeemed within 3 business days after the time of purchase and expire 3 years from the date of issue. You will receive a credit card authorization form within 24hours or the next business day of certificate request form submission.