Steinberger GM-4SA prototype (2005)
Pictures
A gallery of Steinberger guitars, owned by European guitar and bass players.
S-Trem, Moses neck, HazLabs EQ (v1), EMG 85/SLV/SLV
The body carries a sticker (within the electronics compartment, under the finish) which says "Epi Prototype". Apparently a prototype regarding the cool finish (without a logo), everything else is standard.