That last message got sent prematurely.  Here are some of the CDs I know I have for trade for the Helter Skelter Disc:

The KLF: The White Room Original Motion Picture Soundtrack 1997 US CD (KLF CD4) completely different versions + 5 bonus tracks
The KLF: The Lost Sounds of Mu 1996 US CD (JAMMS23)
The KLF: The Lost Sounds of Mu Vol.2 1997 US CD (JAMMS24)
KLF vs. Pet Shop Boys: So Hard/It Must Be Obvious GE CD 1990 (EMI/Parlophone CDP 560-20 4092 2)
 
I know I have some other stuff, but I can't say for certain what else I have until I can find the boxes they are in. 
 
Thanks,
Don