Dear Sir,
 
I bought the puzzles from your company and the order no is ceaco 21109XX.

I finished the puzzle but one piece of the puzzle is missing.   
 
The puzzle item no is 2954-03 John Powell-My favorite Things.

I can't post this photo in your comment, so I post this on my blog.

I wrote more information in your customer survey letter. Please check.

Thank you for your kind help and hope to hear from you soon.

Sincerely yours,

Yu Hsu