You're in Taiwan, it's 1989. This pedal rolls off the assembly line at the Boss factory. You smile, knowingly. The compression is coming. The sustain is coming. You scratch your chin. Mwaha.

Model: Boss CS-3 Compression/Sustainer
Made: Taiwan, 1989 (serial AA78573)
Type: compressor
Power: standard dc power supply or 9v battery (not included)
Switching: buffered bypass
Equivalent new street price (approx): $145aud
Mods: none
Accessories: no box or manual
Condition notes: used, few minor marks. Overall: very good condition