Changes

[[image:Ct-artefactnew.jpg|A typical ring artefact presented as a ''Hamer-focus''|300px|thumb]]

[[image:Ct-artefact.jpg|A typical ring artefact presented as a ''Hamer-focus''|300px|thumb]]

[[image:Testamento2.jpg|Ring artefact presented to be a ''Hamer-focus'' on the first page of a book on GNM|300px|thumb]]

[[image:Testamento2.jpg|Ring artefact presented to be a ''Hamer-focus'' on the first page of a book on GNM|300px|thumb]]

[[image:Pscerorg-n1.jpg|Ring artefact on the first page of a book on GNM|600px|thumb]]

[[image:Pscerorg-n1.jpg|Ring artefact on the first page of a book on GNM|600px|thumb]]