vtg POLAROID model C3 projector lens? 689 ░░░░░░░░░░░░░░░░░░░░░░░░░░░ telescope? For Sale

vintage Polaroid Model C3 accessory/part. I got it with a similar item, which was definitely a projector lens, and was approximately the same shape and size.
approx 3 3/4 inches diameter - cycilnder is approx 5 1/2 inches long, not counting the pegs.
some general wear throughout. one edge chip. see pictures.
check out my other sales. more fun/interesting stuff. additional item(s) are shipping free/included, anywhere.
buyers in WA: 9.5% sales tax will be added.