Took some Barkeepers Friend powdered cleaner and a toothbrush, and a little water, and cleaned that nasty old iron rust stain on this piece. It was revealed to have one black UFO floater in it, some small white chunks, nice little bubbles too! This has quickly become one of my Weston favorites. For the two other photos, start here: [id=294061765] Just for the record the embossing on these single grooves is as follows: Front: J.H. WESTON and on the reverse: CIN.O