Stamp Shop Central 520 Eden Ave Sioux City, IA 51105 Phone: (712) 255-5243 Fax: (712) 255-5243 Please send California authorization certificates to: FOR STAMPS: Notary Central Supplies 520 Eden Ave Sioux City, IA 51105 FOR SEALS (EMBOSSERS): Millenium Marking 2600 Greenleaf Ave Elk Grove, IL 60007 BE SURE TO REFERENCE YOUR ORDER # IN THE ABOVE CORRESPONDENCE.