Price check on weapon

Hi everyone, can you please help me with an accurate price on this thing? I can't decide whether to try and improve it, sell it, or use it as is.

Item Class: Two Hand Swords
Rarity: Rare
Hate Razor
Banishing Blade
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Two Handed Sword
Quality: +20% (augmented)
Physical Damage: 187-350 (augmented)
Critical Strike Chance: 6.00%
Attacks per Second: 1.63 (augmented)
Weapon Range: 13
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Requirements:
Level: 70
Str: 130
Dex: 130
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Sockets: R-G-R-R-R-R
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Item Level: 85
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Attack Critical Strikes ignore Enemy Monster Elemental Resistances (implicit)
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187% increased Physical Damage
25% increased Attack Speed
+30% to Fire Resistance
28% increased Stun Duration on Enemies
+54 to Accuracy Rating
84% increased Elemental Damage with Attack Skills