Found rare Joy Division single - will sell

I recently ran across two copies of a limited edition Joy Division single that says "Atrocity" and "Exhibitions" on the front (it is also hand numbered 189/500) and says Warsaw on the back with "All of This for You" and "Novelty" underneath it. I have looked in a number of Joy Division sites to learn more about these singles with no luck. Does anyone know more about them or know the value of them? I am interested in selling.

sounds like a boot. JD singles should not mention Warsaw.

http://members.aol.com/lwtua/A4.htm

It's on this page. No word on whether it's rare or not, but it would seem to be very scarce. No material we haven't heard before though.