Prices are rough guesses, not trying to sell them over MP value, so if it is, just ignore it and offer anyway.
Adventure Time stuff.
Marceline's Cave House;; 23k with two in stock
Finn and Jake's Tree Fort;; 20k
Finn Companion;; 23k
Ice Kingdom;; 22k
Princess Bubblegum's Wardrobe;; 178k not really trying to haggle, buy this one or don't.
Prince Gumball Companion;; 190k
LSP Companion;; 20k
Princess Collection;; 26k
Fionna Companion;; 220k
Demon Cat;; 90k
Bone Scythe;; 9k
Captains Stage Rapier;; 6k for one, 12k for three
Black Ice Weaponry;; 14k
Monkey Brains;; 6k
Gift of the Stars;; 90k
Sword of Aegis;; 8k
Dystopian Gasmask;; 36k
Time Piece;; 26k Silent Night;; 49k
Daring Diamond;; 14k for one. 29k for two.
Ye Olde Helmets;; 9k