It’s been almost 3 years since my original post and I’d forgotten all about this! Thanks to all who responded and I’m sorry I didn’t reply sooner. My Sheraton was indeed made in Korea in May 1988. For those who want to date their guitars, check this site out:

http://www.guitardaterproject.org

To carl_ejay – This is the info from the site regarding the serial number you quoted:

Guitar Info
Your guitar was made at the
Unsung Plant, Korea
May 1996
Production Number: 1385

Un Sung Musical Instrument Co.
Un Sung Musical Instrument Co., Ltd. was established in 1987, Inchon, Korea. They have productive capability 50,000 of Electric Guitars and basses a year. Not only do they produce guitars for several well known brands by OEM but also have their own line ‘Silver Star’.

Related Links

Un Sung Musical Instrument Co. Website – http://www.unsung.co.kr/