I’ve had these 2 bells myself for over 40 years…. they were burnished and polished (sorry about that) and I still have no clue about the markings. No, I would not ever have a bell polished again. Anyway, Two have an Anchor with double cross bars and the Letters L U on each side.The smallest measures approx. 3.5″ and across the bottom is 3-3/4″. Anyone got an idea?