The M0001ED model number pegs this as a 512Ke, the same model I have. I paid more than the bidding has reached on this one, but mine came boxed with polys, manuals, two keyboards and a third party external floppy drive. Admittedly the mains filter cap popped pretty early on, but that wasn't hard to fix once I knew what to replace it with

I told a friend a few days ago that I estimate this one to go between $100 and $150. I think that's overpriced in relation to its historic value, but about right for the current overinflated Apple market.