Yes, the 29-3 dates to 1896 or so.
Most of the old treadles I see have Singer cast into the back. Leave it to me to find the ones that don't...
I heard back from the seller. $550! I suspected as much. I thanked them for their time and suggested they'll need a bigger audience than our rural area provides.
And, I offered a nice 201-2 as a trade ...
I had to keep a line in the water.
To me, I think a coffin top is an even narrower audience of buyers than a flip top. The flip top can at least be used as a desk or table. The coffin top pretty much breathes up all the oxygen.