This is a reissue of the V2 Big Muff, known as the Rams Head. You get singing sustain and complex string separation. It's nice and small, but sounds very angry indeed.

Model: Electro-Harmonix Ram's Head Big Muff Pi
Made: Brooklyn USA, recent model
Serial: obscured
Type: fuzz
Power: standard 9v DC negative power supply (not included)
Equivalent New Street Price (Approx): $249aud
Mods: velcro added
Accessories: original box

Condition Notes: used, no major marks. Tested and fully functional.
Overall: very good condition (8/10)