Here's a simple little script to report on your collection of Crimbo 19 rare items.
It gets the mall prices up front, but KoLmafia will return a cached value, if it is within an hour old.
ribbon candy ascot: (have 1, price 4,940,000) dropped by gingerbread maw (horror)
anemoney clip: (have 1, price 6,600,000) dropped by nutmeg anemone (plant)
icing poncho: (have 1, price 999,000) dropped by icingfish (fish)
Mer-kin rollpin: (have 1, price 4,000,000) dropped by Mer-kin baker (mer-kin)
The Wreck of the H. M. S. Kringle
Crimbylow-rise jeans: (have 1, price 3,699,990) dropped by Crimbylow (demon)
peppermint spine: (have 1, price 4,000,000) dropped by peppermint eel (fish)
soggy elf shoes: (have 1, price 800,000) dropped by sea-elf (elf)
The Impenetrable Kelp-Holly Forest
kelp-holly drape: (have 1, price 1,300,000) dropped by kelpie (horse form) (beast)
kelp-holly gun: (have 1, price 1,494,941) dropped by kelpie (lady form) (dude)
Yuleviathan necklace: (have 1, price 4,500,000) dropped by Yuleviathan (fish)