Sentence:  On the floor was a Turkey carpet, — as old as the mahogany, almost, as the <WSD>Bank of England</WSD>, as the Queen, — into which the waiter in his lonely revolutions had trodden so many massive sootflakes and drops of overflowing beer, that the glowing looms of Smyrna would certainly not have recognized it. 
Meaning of the word marked with <WSD> tags:  The central bank of the United Kingdom.