Need help valuing my halloween stockpile

Tried using the market, most of this stuff isn't on there except for the samanthas which are around 140-150k each. I will be selling the samanthas as well, not sure on the caskart as yet.

12x Dark jack
3x First row scarecrow
12x Portentous portrait
11x Stacked skulls
12x Creepy cauldron
7x Spooky standup
10x Glowering Jack
4x Coveted candy bowl
10x Sussarating spirit
2x Samantha
1x Caskart