This particular indicator dates back to at least the 1960's or earlier. I have one in the same wooden box that was purchased by my father in law I the early 1950's. I purchased the same model in the late 1970's and it came in a red vinyl covered case. They do have a tendency to get sticky if left unused for any length of time. If I recall correctly the asking price is about what he paid for his new. When I bought mine it was closer to $90.00
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