"Poison bottle" for Rogue Trader - old perfume bottle, with paint inside, with some Dark Eldar iconography.
4 x =I= symbols, 3 for necklace (with attachment rings) , one for a hat - made from 0.8mm brass sheet, sculls are from some old belt. Gems are from cheep jewelry.
Hair pin - craft store wings (minus hearth that was between), flower-like part of broken ring, plasticard.
Part of psyker's necklace - there will be feathers hanging and more imperial iconography there.
Also not on pic is hand grenade but that one is practically same as previous one on SoB.