Pipes by CAL is the trademark of Loscalzo Pipes.  Each hand made pipe is stamped with this mark as a sign that the finest workmanship for which Loscalzo Pipes is known has gone into the pipe.  when you see the Pipes by CAL stamp, you know it's a genuine Loscalzo Pipe. 

This page will soon contain photos of the latest new pipes.  For further information, go to the "Questions" link.