https://books.google.co.uk/books?id=Ack3DwAAQBAJ&pg=PT157&lpg=PT157&dq=silver+alone+is+the+true+sinews+of+circulation&source=bl&ots=hxy-61XR0M&sig=ACfU3U0dwAyn_OVc4PLntxXinvtb0qLLeg&hl=en&sa=X&ved=2ahUKEwjFy5Pyt5LjAhUxtXEKHR9-DKQQ6AEwCnoECAUQAQ#v=onepage&q=silver%20alone%20is%20the%20true%20sinews%20of%20circulation&f=false

'ounces of silver'....go figure:

 

 

oh and this is where 'private security firms' appear to have begun....go figure: