Valpak's PlusOne Product Solidifies Reputation as Direct Mail Innovator
/PRNewswire/ -- After a successful and collaborative two-year market test with the United States Postal Service (USPS), PlusOne – Valpaks stand-alone postcard...
United States Sankt Peterburg Valpak Plusone Tanya Creel United States Postal Service Marketing Communications
Source: prnewswire.com