C.P.Goerz 2 7/8 Inch Brass Retaining RingBrand: C. P. Goerz Type: Retaining Ring Country Region of Manufacture: United States Good condition. C. P. Goerz 2 7 8 Inch Brass Retaining Ring. C. P. Goerz Am Opt Co New York, NY. No. 793382 bpc1007721 _______________________________________________ We sell a variety of used antiques and camera equipment, plus more. We do our best to test all of our items and accurately describe any flaw or defect we find. If you come across an issue that we have