The classic green box of dirt...  chances are one of these makes an appearance on your favourite record, so hey, why not give it a spin on your own stuff too? 

Model: Ibanez TS9 Tube Screamer 
Made in: Japan, recent model (serial 1011922)
Type: low gain boost/overdrive
Power: standard 9v supply or battery
Equivalent new street price (approx): $169aud
Mods: none
Accessories: none
Condition notes: some minor marks and stains on the switch, good condition