Help with pricing an item please

Well im in the market for a few items for one of my new toons but I really have no idea how uch to pay for them so im asking you for help

Pronged Fan
Q9 domination
20/20

Celestial scepter
Q9 domination
20/x

Thanks in advance

pronged fan doesnt exist in dom.

the celes scepter is supposed to be single mod? and is it oldschool or inscribable??