While noted the lead bladed spear has a wield option.
To add to this report, here is a screen shot to the issue as the note acts like the spear and there's no graphic used like a note should be.:
(https://i.imgur.com/bTd7FRY.jpg)
Fortunately as you can see this issue can't be used like the classic bug of wielding fletching knives, iykwim.
Forwarded this to the developers.
Thanks for reporting this!
Reference: blitz/item-wield-requirements#4