The pins stem is stamped 14k. The Opal has a great green tinge. Overall weight approx 1.7 grams (excluding clip-on) and is 64mm high. In very nice condition.
The display case is worded THE VAUTROT & MYERS Co WARREN, OHIO Excluding the safety stub, weighs 1.7 grams & is 68mm long. The rear of the pin is stamped 14K. The case has wear as per photo’s.