It's a 1990-model Ibanez RG 560 if it doesn't have a pickguard. They go like this: RG550- hum-single-hum with pickguard, RG560- single-single-hum w/o pg and RG570- H/S/H w/o pg.

Check this out: http://www.jemsite.com/dl/ibzcat/rg_90_5xx.jpg
and this: http://www.jemsite.com/dl/ibzcat/rg_90_7xx.jpg

They're both from the '90 catalog.

[Edited by janir123 on 04-21-2003 at 11:30 AM]