Then the Banker endorsed a blank cheque (which he crossed), And changed his loose silver for notes. The Baker with care combed his whiskers and hair, And shook the dust out of his coats.
Here we see the banker making a bad promise (blanck check but voided) and making sure all his money is in the bank (no loose silver.) We also see him referenced with whiskers which is a call back to one of the two types of Snark that isn't a Boojum.
