10 months ago, I had a frame sent to Doug Curtiss from ebay. Doug and I agreed upon this beforehand via e-mail. He gave me a mailing address via e-mail. I planned to have him add v-brake mounts and horizontal dropouts to the frame. It sat around his shop for awhile. A few months ago I spoke with him on the telephone and we agreed on a price for the work to be done. I sent him a check. Since then, i have been unable to contact him. What do you think i should do?

thanks for your input,