I guess this is the right place to put this... if not feel free to move it mods...
There's no way I can find to direct link, but there's Superman stuff in a big Hollywood auction this week.
Search 'Superman' on the
Profiles In History website. There's one of Dean's suits for sale - one used while flying apparently. It's out of my price range at 8-10K but...
.
There's also silver Jor-El/Lara costumes but I think those are from the 80s movies not L/C...
Carol