This is a reproduction model of the "501XX 501-0004," manufactured in the USA (MADE IN U.S.A.) at the Valencia factory. Details are as follows: Product Number: 501-0004 Size: W33 L40 Country of Manufacture: MADE IN U.S.A. (Made in America) Manufacturing Factory: The "555" stamp on the back of the top button indicates that it was manufactured at the Valencia factory in San Francisco. This factory was in operation from 1992 to 2003. Manufacturing Date: The number "0197" indicates that it was manufactured in January 1997. Size: W33 L40 Purchased in America and stored in a closet. Please understand the nature of the product before purchasing. Returns are not accepted. Thank you for your understanding. Thank you for viewing.