The OCD was envisioned as a transparent drive, but with massive gain range. It's a great recipe, especially good for big legato lead stuff, but will cover a whole bunch of territory depending how you set it. This version was the last v1 before the v2 came out. 

Model: Fulltone OCD v1.7
Made: USA, recent model
Serial: 138173
Type: overdrive
Power: standard 9-18v DC negative power supply (not included)
Equivalent new street price (approx): N/A
Mods: velcro added and removed
Accessories: none

Condition notes: used, few minor marks inc some velcro residue. Tested and fully functional.
Overall: very good condition (7.5/10)