AN/GRC 142B AN/GRC 122E price?

[Brieja]

I have these in great condition (especially the 142B) Would you know a good place to sell these online?
Would anyone happen to know an approximate value?

AN/GRC142B AN/GRC 122E

 

[Coug]

There is a classified section on this site, and there are some facebook groups that you might try as well.