Looks like an 1989 model. You will need to pull out the pickups and see what is stamped on the body and the details of the pickups.
https://www.vintagejapanguitars.com.br/en/greco-models-serial/#main lots of great info on Frankie's website
eg700 or eg100d.... now that's the question!
fun fact
compared to my gibson CC39 minnesota burst, sounds tighter and clearer. more vintagey tone
weights 4.1 kgs
headstock is a veneer like the old gibsons but the neck heel is sandwiched