PC on Casters Flamberge

Hi PC my Flamberge here are the stats!
15-22 req 9
Gold
inscibable: +5 energy
20% enchanting
Cripple duration 33%+

btw would it be better if i upgraded with 15^50 to inscrease the price or not
thanks for ur help

8-12k imo, and don't mod if you intend to sell.