So I realised I was missing an item... I checked my logs to see if I accidently vendored it or something. I've been pretty sporadic player this year, so there was a good chance I forgot what the item was for / worth and got rid of it
Turns out:
[Tue Apr 21 16:44:22 2020] You told Cirsi, 'c2 please
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[Tue Apr 21 16:44:59 2020] You tell your party, 'oh man i just donated a
brell's girdle for c2 lol'
Yeah, I just gave away a random item in my inventory for c2 without thinking... it was worth 10k so I hope Cirsi got good value out of it.
*facepalm*