What did Joshua Reynolds brass plaque do at Sir Joshua Reynolds bust?

The Story
# Joshua Reynolds and Leicester Square Standing on the west side of Leicester Square, you're standing at the address where one of Britain's greatest portrait painters spent the most productive thirty-two years of his life—from 1760 until his death in 1792. This was no mere residence; it was the studio where Reynolds perfected his craft, receiving London's most prominent sitters in his rooms and translating the grandeur of Italian Renaissance masters into the language of Georgian portraiture. The classical elegance you see reflected in his most celebrated works—the compositions, the sophisticated use of light, the dignified poses—were all conceived and executed within these walls, as Reynolds developed the visual vocabulary that would define an entire era of British art. Though Fanum House now stands where his studio once flourished, this plaque marks the crucible of his genius: the place where a young artist's Italian education transformed into a revolution in British portraiture, and where his presidency of the newly-founded Royal Academy was managed alongside his daily brush strokes, making Leicester Square the true heart of his artistic empire.
Location
Sir Joshua Reynolds bust, Leicester Square