Price Check on fellblade

Please can you tell the price about this one?

Shocking Fellblade Of Swordmanship
Lightning Dmg: 15-22 (req. 10)
Damage +13^50
Swordmanship +1 (18% using skills)

Would I mod it?
Thank you very much .

I want to sold it and I'm not sure about price: 40k? Mod it 10/9 penetration 60k?
Please, another opinion. Thank you .

15k

.

Thanks.