Joe Poyer's book indicates that around 1,900 03-A3's were made and mixed in with 1903's in 12/42 and that serial #3,339,217 was around the last number produced that month. Poyer also indicates that 1903 production was finally phased out by 3/43 and that serial #3,520,614 was the last number used that month. In other words,1903 reeceivers were still in the system from the end of 12/42 to the end of 3/43. I have #3,459,907 and it's an 03-A3. I'm now wondering if anyone has a 1903 (not A3) with a number between 3,339,217 and 3,520,614.

This is my first post and my user name is in honor of my wife's uncle Art who fought in WWI as a sergeant in the horse-drawn artillery. RIP Uncle Art.
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