PC on an Aerowind blade

As my 1st post i would like to ask a price check on the following sword

Zealous Aerowind Blade of Shelter
slashing dmg 15-22(req9 swordsmanship)
Energy gain on hit: 1
Energy regeneration: -1
Armor +7(vs. physical dmg)
Inscription;"Strength and Honor"
Dmg +15%(while health is above 50%)

All help is appreciated
Ty

~10k-15k

12 chars