Still can be upgraded one time and re-stated,

78.4% healthy dmg
47.6% vul dmg
58.8% crit dmg
60.2% distant dmg
75.6% overpower dmg

taking offers

You can't trade upgraded items - correct me if I'm wrong

pretty sure its just fully upgraded items. it being 4/5 makes it not account bound. I've noticed the same with items as I've upgraded them, its just full upgrades

Ahh thanks for the clarification

also it would say above the item level.