TOKAI GUITAR BODIES USUALLY HAVE A CODE LIKE 4-16 MR Y
NOW I THINK THEY USE THE SAME DATE CODES AS OTHER JAPANESE COMPANIES AND THE YEAR CODE IN THIS CASE BEING THE LETTER Y
HERE IS MY THEORY
R = 2003, 1977
S = 2004, 1978
T = 2005, 1979
U = 2006, 1980
V = 2007, 1981
W = 2008, 1982
X = 2009, 1983...