Part of the worldwide Core Greetings From Guitar Pick Series. Each pin is a gold guitar pick with a nighttime city scene above a prominent city name. London Piccadilly Circus features their iconic double decker bus, the Shaftesbury Memorial Fountain and statue against green grass, blue skies and moon. "London" appears in red just above the Hard Rock Logo. Core pin; not limited edition. Back of pin does not state quantity or manufacturer. Cafe staff say manufacturer is Pin USA. Sticker on backing card says "Core Greetings From Series," but the words "Greetings From" do not appear on the pin. Gold base metal pin is about 1 1/2" x 1 3/4", tacs back.