Authenticated Romano-Egyptian Bronze Stepped Pyramid Bezel Ring with Certificate

Romano-Egyptian bronze ‘pyramid’ ring with raised stepped/square bezel and geometric detailing. Dark aged patina. Approximate US size 3–3.5 (small; see mandrel photo). Weight and dimensions per certificate: ~3.5 g, D 15 mm / L 20 mm. Accompanied by Certificate of Authenticity from Pax Romana Auctions (Lot 132, sale date 5/10/2020). The certificate states it was examined by Dr. Ivan Bonchev (PhD Archaeology, University of Oxford) and the Pax Romana vetting team and found authentic in their opinion. Provenance noted as old British collection formed in the 1960s. Sold as-is with the original certificate. Photos show the exact ring and the full COA. I am not a professional appraiser. Local pickup preferred / shipping available [add terms]. Open to reasonable offers.