Simms 15 to 20
Wright 12 to 15
Saka 5 to 9
mVe 8 to 12
Sheaf 14 to 18
Eccles 4 to 6
Probably no one with a higher price tag than that atm, Simms could increase in value significantly due to age, same for MVE. The rest are in the ballpark but could go for top end of they have a barnstormer next...