a sun-emblazoned cloakpin

Measuring three inches in diameter, this bronze cloakpin bears the signet of Rohan - a fiery sun engraved upon the centerpiece. The pin has been cleverly crafted to securely fasten to almost any cloak.

It is a sun-emblazoned cloakpin.
It weighs a few ounces.

You identify a sun-emblazoned cloakpin.
It weighs five ounces, and it is worth about three celeb.
Its keywords are cloakpin and pin.