No clue on the Bravestar stuff I'm afraid but I help run the 20th Century Toys group on Facebook, one of the members there will be able to help with that.
https://www.facebook.com/groups/1048579475209886/?fref=nf
Rebo band probably £50 because you've got the mikes and flute
Wampa £6
Yak £130-250, would need better pics as condition is key
ROTJ Nikto £40-50
Teebo £50-60
Lando £60-70
Tri Nikto £50-60
B-Wing Pilot £50
CCP £80-100
Imp Gunner £200-220
Warok £100 or so, not sure on this one to be fair
Thall £120-140
4-Lom £60-80
Biker Scout £50-60 looks like ink touch up which has hurt it
Klaatu Skiff £40-50
Prune Face £40-50
Cheers
Carl