is 18.36 KB, has a resolution of 512x512 pixels and was uploaded on March 5, 2020 @ 2:14 am by user: paulause. It is filed under the tags: silver hallmarks, symbol, hallmark, laboratory, birmingham assay office. Click the blue button at the top to freely download: Appnet AnchorCert Gem Lab Hallmark Birmingham Assay Office Test Laboratory png.