1975 Greco SA-550 Hollow Body (Gibson ES-330) (MIJ) (w/ OHSC)1975 Greco SA 550 Hollow Body (Gibson ES 330) (MIJ) (w OHSC) Manufactured at both Matsumoku and Fujigen factories depending on the year (this one is a Fuji), the SA 550 is another sublime offering from Greco that had Gibson quivering in their lil boots. Laminated maple on both the top and backside, the SA 550 is an ES 330 copy featuring a hollow design with two split center blocks for added rigidity, a slim 40mm thickness, double binding and U 1000