Pricing Headlines

Dragon med - I'd say like 700-800k. not too common but c'mon, who really wants one.
Dragon chain - not in-game as of right now
Dragon Platelegs - 1.2-1.5m
Dragon Plateskirt - 600-700K

Addy scim - 20k

Rune scim - 85-100k
rune long - i think its like 25k in the shop, idk for sure

Logs:
Normal - 20-50 ea, simply because noone cuts them and you need them for arrowshafts, etc
Oaks - 30-40 ea
Willows - 50 ea
Maples - 80-110 ea
Yews -180-220 ea
Magics - 350-500 each? I'm not entirely sure what they go for, i usually cut my own

Supplies:
cowhides- 100 ea
Green dragonhides - 1k-1.3k ea
Blue Dragonhides - 1.4k-1.7k ea
Red dragonhides - 1.8k-2k ea
Black dragonhides - 2k-2.2k ea
Feathers - currently, they seem to be at 20 ea.

Dragon bones - 1.3k-1.5k ea

uncut sapphire- 300 ea
uncut emerald- 400 ea
uncut ruby - 500 ea
uncut diamond - 1.5k ea
uncut dragonstone 20-25k ea

I'll come back and help you out some more with this. and, just to reiterate, prices are always subject to change and fluctuate constantly. But this is a pretty good idea to get a basic range for what things usually go for. +1 Joakim.