Have you your check-book?
Here is a pen.

Better make it out for 4000 pounds." With a dazed face the banker made out the required check.

Holmes walked over to his desk, took out a little triangular piece of gold with three gems in it, and threw it down upon the table.
With a shriek of joy our client clutched it up.
"You have it!" he gasped.

"I am saved! I am saved!" The reaction of joy was as passionate as his grief had been, and he hugged his recovered gems to his bosom.
"There is one other thing you owe, Mr.Holder," said Sherlock Holmes rather sternly.
"Owe!" He caught up a pen.

"Name the sum, and I will pay it." "No, the debt is not to me.