Time to grab the detector and see if there's any other activity around the milk glass shard.(sq. nails are a useful hint)Possible flake.
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Possible tip of scraper or?
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Why is there a piece of a milk glass jar lid seal in the middle of my field?
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Modern dropped lighter. 🤔 who’s trespassing?
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Lovely recoveries you have made the long one reminds me of a keeper that I have from across the pond.