The junky Elna Supermatic arrived. Boy, is it junky. It looks like it sat in somebody's barn for the last 30 years. The case is rusty and the "Elnagraph" stitch regulator (where the cams go) is all hosed up.
And I couldn't care less.
The knee-bar is intact, complete and very clean, and installed on my machine in a jiffy. The accessory tray is slightly damaged (the second rail that holds the bobbin-pins in is busted), but it's an improvement over the white plastic box that I've been using to hold parts. It just needs to be washed off.