Brian does good work. This is an amp-like and rich take on the Plexi- genre. The seperate 'pre-gain' switch and knob means you can shoot for more JCM800 style tones with an extra gain stage, or turn it off for a more 70s style Plexi sound. 

Model: Wampler Plexi-Drive Deluxe 
Made: USA, recent model
Serial: obscured
Type: overdrive
Power: standard 9v DC negative power supply (not included)
Equivalent new street price (approx): $369aud
Mods: none
Accessories: none

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