Measured my 1982 Greco EG59-85 Mint Collection (top), and 1980 Greco EGF-1200 Super Real (bottom).
1982 Greco EG59-85 is 3/4" (24/32") neck thickness at the first fret, and nut width of 1 11/16"
1980 Greco EGF-1200 is 3/4" (24/32") neck thickness at the first fret, and nut width of 1 3/4"...