PC on Hammer +15% Dmg. Always

As the title says.

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Vampiric War Hammer
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Blunt Dmg 19-35 (Req. 13 Hammer Mastery)
Damage +15%
Energy -5
Life Stealing: 4
Health Regeneration -1
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I realize it is not perfect vamp. Would it be worth my while to replace with a perfect vamp that I have, or should I try to sell it as is and leave 10/10 sund. or 5/-1 vamp as an option?

Thanks in advance for your input.

Hammers dont sell for much these days. Get 2 good mods (you can get them for 10K each) like sundering 10/10 or furious 10/10 and +30hp.... apply both on the hammer and make it godly!.
Then you have a chance of selling it close to 100K but like I said hammers dont sell for much these days so its all upto your marketing skills

Oops, didnt notice the 13 requirement..
sorry dood, not much!