(your street
					 city, state, zip)

					(date)

(name
street
city, state, zip)

Dear Sir or Madam:

	Thank you for sending your payment check on your _____
(month) bill.

	Our collection letters proceed automatically and 
occasionally a payment crosses in the mail.  This is obviously
what happened in your case.

	Your check, of course, has been properly documented and
your account is currently marked paid in full.

					Sincerely, 



 					(name)
					(title)