broken key: 30-50m
large tong: 40-60m
phantom harp: 60-80m
evils heart: 300-400m
vindictive: 200-300m
hook hand: 350-400m
commanders patch: 3b+
sereness tears: 2.5b+
these are the prices on Petra
but you cant really put a fixed price on that cause in some cases like someone has 7/8 and missing lets say evils heart , he would pay 1b for it just cause hes desperate