Used GE-10 in very good shape for its age. It is missing the fader cap for the level.
About the GE-10:
Made in Japan from 1976 to 1977 the Boss GE-10 Graphic Equalizer features a ten-band equalizer ranging from 31 Hz to 16 kHz with an amplitude range of +/- 12dB. It features a bypass switch, up to 15dB of output gain, and an external footswitch input.