Sir,
Your letter of the 6th and the box which accompanied it came safe to hand.  The contents of the latter were perfectly agreeable to me, and will, I am persuaded, answer the end proposed very well.

Enclosed I send you Twenty dollars in payment for them and the repairs of the old ones - and am

Sir,
Your very humble servant,

P.S. That I may be certain that this letter and its contents, has got safe to hand, be so good as to say so in a line to: G.W.