In 1970, production ceased in U.S., and began in Japan. Mini-humbucking pickups were discontinued on the Sheraton, changing to standard full-sized humbuckers; serial numbering system changes. Body and headstock shapes began to evolve, as they will continue to do throughout the 1980s and into the 2000s, as production also shifted from Japan to Korea. Korean build manufactured up until at least 2012 however serial numbers changed to an all number type after 2008. To tell if it's Korean built, it will have the following prefix: