Cleese of Sillywok

RankItemQuantity
#650A Beginner's Guide to Charming Snakes1
#185Chester's moustache1
#669Hodgman's blanket1
#133Hodgman's journal #1: The Lean Times1
#99Ol' Scratch's manacles1
#193Oscus's pelt1
#2360Pan-Dimensional Gargle Blaster1
#821Schrödinger's thermos5
#343antique painting of a landscape2
#279antique record album10
#570bowl of fishysoisse1
#37bronze handcuffs2
#519frozen banquet3
#696jar of fermented pickle juice1

Wow, that's 31 items total!

what items are this player missing?