Witness Post Do Not Disturb Survey Marker Aluminum Sign Vintage 1960s

This is for one vintage de-commissioned Survey Marker sign. The sign is made of embossed aluminum and was once used to mark the place that a survey marker was buried and came from a local estate sale. It measures approximately 6 1/2" by 10 1/2". This sign states “Witness Post Please Do Not Disturb Nearby Survey Marker.” Shipping will be via USPS First Class package with delivery confirmation included.
Thanks for looking and be sure to check out my other auctions for more great memorabilia.