Maxon do some of the most delightful chorus pedals going around, they're the unsung heroes of the pedal universe. This has extra range on the controls and out-of-phase outputs for maximum stereo goodness, so you can dial a lot of variation into the wobble. Mostly, it just sounds gorgeous. 

Model: Maxon ASC10 Ambient Stereo Chorus
Made: Japan, recent model (serial 216ASC007)
Type: chorus, analog
Power: 9v DC negative supply (not included)
New street price approx: $349aud
Switching: buffered bypass
Mods: none
Accessories: original box and manual
Condition notes: used, no major marks, fully functional. Overall: excellent condition