PC on GOLD MAX DMG RAVEN STAFF

Hi, I am a ranger and consequently know nothing of necro weapons. I found the following item yesterday and was wondering if any one could help me as to its value; it seems quite high spec, but am not sure...

Insightful Raven Staff of Enchantment (Gold)

Cold dmg 11-22
energy +10; energy +3
Improves Skill Recharge (chance (9%)
Enchantments last 19% longer

req death magic lvl 8
value 408.

appreciate any advice

around 50k i reckon