Here's another, this one a letter dtd. 28 January 1932, and from a Mr R P Bull, secretary at AC (Acedes) Cars Ltd to St Luke's Garage. The wording may not be too clear on the photo below, so is repeated:
Dear Sir,
We have already written you on two occasions regarding your account for 6/9d. which is now much overdue.
You are making the position difficult and disquieting for us by your apparent failure to acknowledge our applications, and we must ask for this matter to receive your immediate attention.
If you dispute our account, or if we have failed in any way to fulfil our part, please drop us a line and we will immediately attend to it.
Failing this we shall confidently expect your remittance within the next few days
Yours etc
The garage sent a Postal Order for 6/- together with stamps to the value of 9d. immediately, and a receipt from Thames Ditton is dated six days after the letter.