Early vintage Singer model 28 28K / 128 128K sewing machine front and rear slide plates with circular throat plate. Last patent date is Jan 13 1891. This set displays well overall but does show signs of age typical of earlier parts such as scratching and some tarnish as seen. Original, genuine Simanco parts #8369 #8368 & 8323. Comes with mounting screw for the throat plate. You will receive the example shown.  *Please note that this set will not fit the model 27 / 127 as it will be too short