Everything you need for coin wrapping, shipping, and more. N. F. String & Son, Inc has been supplying cash handling services since 1929. From wrappers for coin rolling and self-sealing currency straps to automatic coin wrapper roll paper, security shipping boxes, and the Twist-N-Crimp® our range of paper products help individual consumers and businesses better organize and complete their financial-related tasks. Whatever your needs, we are your one-stop source for paper cash handling products. If you have any questions about our products, please contact us.