Need price check help on shields! :D

I am completely ignorant on shields as I build my w/mo on stance due to the 45/-2 stance shield. I need to sell those 3 shields soon as my inventory got busted. Any idea on how much I should ask and how much I should sell?

i will buy them all for 1k

Estimated PC:
1) 5K
2) 10K
3) 15K