The Bruckmann Company (Plant 1), Cincinnati, Ohio - "Over 80 Years" - "M & S" Manufacturer's Mark, Unused, Grade 9.5 Study our large pictures for condition details. Many of these bottle caps were glued to a board with silicone and may have some of that glue still on the underside. As usual, if you have any questions call or text Erik at 919 - 807 - 9147.