The price is decent for what it is, the pictures are clear, and the condition of the machine can probably be extrapolated to the front -- it's in good shape. They even got the model number correct (although it's not 'series' -- they might have mixed it up with 158, which is a series) and they show the manual.
I cruise CL every day and this is a good ad compared to many in my area. I've seen many ads with blurry pics in which you can't even tell what is being offered for sale, ads for sewing machines that only show the closed table, ads for machines that don't include a machine, etc.
I guess my standards are a lot lower.