Hallmark is a manufacturer of greeting cards that was founded in
1910 by Joyce Hall. Hallmark do not publish an e-mail address as a
contact option but they can be contacted by completing an e-mail
form on their website. Alternatively, they can be contacted by
calling 1 800 425 5627 or by mailing Hallmark Customer Service,
P.O. Box 419034, Mail Drop 216, Kansas City, Missouri 64141,
USA.