Dear {Customer_Name},
This check is not redeemable at any bank…
… However, it could be one of the most valuable gifts you'll ever receive.
You see, this check is worth {$} towards your investment in {product/service}.
Imagine how wonderful it would be to enjoy {benefit of your product/service}. At last, you could do away with {some problem they're having}.
You originally came in for a consultation some time ago, but I never heard back from you.
That's why I wanted to make you a special offer:
Take the final step and invest in {product/service} before {date} and I’ll let you use this attached check to save an additional {$}.
Simply call {phone number} to get started.
Or visit us at {street address, city}.
… I guarantee, once you’ve tried {product/service}, you’ll wonder why you waited so long.
I really hope you’ll take advantage of this tremendous opportunity!
{Your Name}
{Your Company Name}
P.S. If you would like more information on {product/service}, you can also visit our website at {www.yoursite.com}.