Let's broach the subject of…. Anglo Saxon brooches – Rutland County Museum
Not a bad hour, part artifact off "Thomas" Norfolk style Saxon strap end, Georgian hunting button and small unknown fox/wolf face possibly Georgian , royal militia button. All found Suffolk coast, UK :
Anglo Saxon Button Brooch. ID by Littleboot. - Detecting Finds and Stories
Saxon - Crusader 2 Button Badge
Saxon Pins and Buttons for Sale | Redbubble
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Anglo-Saxon Button Brooch. Circa, 6th century AD. Copper-alloy, 4.03 g, 18.88 mm. A small circular brooch detailed with a stylised face mask within a border of rings. Ref: Mills, Saxon & Viking