It should have the Ibanez Logo on it.... to date it will be the first 2 numbers after on the neck back plate.
so 88xxxxxx will be a 88'
Gallery:
http://www.jemsite.com/jem/model/jem77fp.htm
so 88xxxxxx will be a 88'
Gallery:
http://www.jemsite.com/jem/model/jem77fp.htm