Dear Sirs,
We have today seen your advertisement in (News Paper Name) and are pleased to place an order for supply of ____________ (Product Name & Quantity).
Please send the goods by Air and forward the documents direct to us for payment after ____________ (Month).
ADVERTISEMENTS:
We may mention here that this is just a trial order and should the goods meet satisfaction of our customers, substantial orders will follow.
Thank you
Yours faithfully,
(Your Name)