Dear Sir: I have for sale or exchange the following described property:
(State all particulars and description above.)
(State here in what section you want property or business.)
State what revenue your property is now bringing $...... If a business, how much you are clearing per year $.............If property is clear,, so state...
If not how much of a debt is against it.....
You may sell or exchange the above-described property, and if same is sold or exchanged through your efforts, I will pay you for your services the sum of five per cent, on the amount I accept for my property.
Very truly yours,