Can also be ordered from USPS by phone: (1-800-782-6724) or online. The
catalog # for block of 10 at $3.70 is 453330, for pane of 20 #453340. Just
in case, as it is here , your P.O somehow just hasn't ordered any! (Sorry -
don't have a mailing address) Not a bad-looking stamp -- Murray

MurrayH at aol.com
Graham, WA