DSF

i did it as a tongue in cheek add on letter that Janners might have received i thought the "mentioned in the above letter" might have been a give away

Mrs Maggot
I twigged....do I get a prize?

Janners

yes, the knowledge that should the need ever arise, i will happily write you replies for you

Haha... Although I find sometimes (as a customer) it is best to explain a bit - it shortens the time of back and forthing with less honest tradesman than yourself who try to get out of providing replacements!