Invoices (April 1958 and later) only list 44 Magnums as a Model 29 and do not list a model variation (-1, -2, etc.). If there are twenty 44 Magnums in a shipment and one of them is identified as a 29-1, the other nineteen could be -2s, or there could be a mix of -1s and -2s. It is impossible to say for certain.

In addition, I believe the first shipment of 3-screw 44 Magnums (-1 or -2) with a 5-inch barrel was made to H. H. Harris on February 18, 1963. The shipment consisted of six 44 Magnums. Some of the early -2 variation have an L stamped on the rear surface of the cylinder indicating an extractor rod and stem with a left-hand thread. I have one of these in my collection, S231233, shipped on March 7, 1963 to H. H. Harris.

Bill