George III AR shilling 1787. 25 mm, 5.81 g. Tower (London) mint.

GEORGIVS III DEI GRATIA, laureate, draped and cuirassed bust right.
 M B F ET H REX F D B ET L D SRIAT ET E 1787, Cruciform coats-of-arms around rayed Garter star; crowns in angles; no semée of hearts in the Hannoverian arms.

Seaby 3743; ESC-1216. George III. 

With permission of cngcoins.com, auction 489, Lot 834, April 2021.
SE3743