Brass 28.6mm.   Crown above riband inscribed ROYAL, Liver bird below, all within ornate cartouche, the background stippled; field plain. R.  ROYAL across centre.  Countermarked 4 below.  TB3 61   Toned, AEF  RRR

The example illustrated in TB3 is from the Freudenthal collection, which were often unissued pieces.

These could be for the Royal Amphitheatre Tavern, 12 Queen Square. It no longer existed by 1858.