Rare 14th century Medieval SILVER dragon wyvern clothing button

Description

Description:
14th century; silver with winged dragon (wyvern).
Details/notes:
Cast silver with loop shank of the late-Medieval style.
You will receive the exact button(s) shown. The photos are not manipulated other than cropping for upload/size constraints.
For sizing, refer to the photos. A standard US dime (18mm) is used to show a comparative size.
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I am a retired professional museum conservator, writer, editor, and photographer. Though now visually disabled, I still professionally clean and conserve historic uniform buttons as a hobby using only museum-prescribed mechanical cleaning techniques. This means no chemicals of any kind are used to clean the artifacts I sell - ever.
In addition to conserving these items, I still study and produce research articles on specialized typologies.
All of the excavated buttons I sell are absolutely authentic and were recovered from private property with permission. I do not invent the history or provenance of any excavated button I sell.