A portrait miniature attributed to Adam Buck with hairwork and enamel back

the oval half length portrait of a young man in early 19th century dress, with brown eyes and powdered hair, in a plain narrow mount, the back with a glazed panel of hairwork, with a lock of chestnut hair tied with a seed pearl band like a sheaf of corn, with gold work wheat stalks and ribband, in a broad mount of very dark blue thick guilloche enamel; the mount has formerly had a suspensory loop; length 7.2cm