unided shields wont sell any more so id them. maybe you will egt -2-2 or -2-3.
#10 = 2k as max is -3
#11 = 12k not 100% sure though
#12 = 6k
#13 =
#14 = 2k as again 10% is max
#15 = merchant
#16 = dunow
#17 = 10k
herbalizers prices seem about right, all of your IDed shields only have 1 mod and none of them are all that special, and what he said about unided shields is right