IBM Model M Wired Keyboard – "Great condition, all keys working perfectly”
Buy It Now $35, or Make Offer (which means he'll probably take $30) + $15 shipping
I contacted the seller because his description—which he obviously copied from elsewhere—says the board is a p/n 1394167, which would make it a 122-key terminal board. But he assured me the board he's selling is the one in the photos.
Most of us have at least one of these classic '401s. If you're just getting started with Model M's, this looks like a chance to get a nice one for a bargain price.