Vaseline Opalescent Slipper by Mosser #052
The Mosser Glass Company was started in 1959 by Tom Mosser who had worked extensively with the Cambridge Glass Company when it was in operation. The Mosser brand is well known for their authentic reproductions of early American slippers and boots using moulds perfected in the 1900s and others designed by Mosser.

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This Vaseline Opalescent slipper design was introduced in 1973 as Mosser #109. The slipper has a prominent front bow and a swirl design on the sides and back. It has a solid sole and heel and measures 4 1/2″ long by 2 1/4″ high. These shoes are made in Cambridge, Ohio.
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These slippers have a clear label on the sole’s toe. This shoe, in the Vaseline Opalescent color, has an estimated collector’s value of $25.00-$28.00. It was also made in cobalt blue, ice blue, pink, amethyst, red, green and amber. These colors are less valuable, in the estimated $20.00 to $24.00 range.
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Information from Collectible Glass Shoes, second edition, by Earlene Wheatley, published by Collectors Books, a division of Schroeder Publishing Company, 2001.
Taken in a place with no name (See more photos here)

I have found a blue boot syle glass shoe from my 97 mother in law, the heel has a round plate on it, the TH intermingled in the center and trademark written in reverse on the edges. My husband seems to think it may be a wax seal or stamp of some kind. Have you ever heard of it It has been broken in the past and reglued, so I don’t think it has much value, but I would like to know the provenance.