Shimano 500lx Front Mech. Mechanically sound, cosmetically it's reasonably OK. Bottom pull 28.6 clamp.
Shimano 105 Front Mech
Shimano Cues front mech - FD-4000-D (Direct mount)
Shimano M960 Front Mech Derailleur FD-M961 Dual Pull 31.8mm
Shimano Altus Front Mech Derailleur Top Pull FD-M2000 Mountain Jump Dirt Pump
Shimano Deore Front Mech FD-m611 3X10 Speed MTB Triple
Shimano 105 Front Mech Derailleur Braze-On FD-5501