uscgdavis Jr. Member Aug 5, 2019 25 160 WA Detector(s) used Minelab Equinox 800 Primary Interest: Metal Detecting Aug 30, 2020 #1 Hello Tnet! Wondering if this is a Bennington marble I found. SLQ for size comparison, and also found nearby. So maybe the same age. It is imperfect and not completely round. Also very hard. Thanks!