what is it ?

  1. Water Caltrop or fossil? Or something else??

    Caltrop or ancient shark tooth? Has anyone ever seen this while detecting on the beach. My internet search says caltrop but Grok said fossilized great white shark tooth. GROK: “Bottom line: Yours isn’t a nut—it’s a legit ~1.5-inch fossil great white (Carcharodon carcharias or close kin like...
  2. Old valve stem ?

    Found in back yard of 1880s house I think it is a valve for air line ?
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