Check the casting date.
Cast. No. 838101 for 1937, 838710 for 1938 & 838941 for 1939. The last casting number for that block. Removed 1/1/56. 1955 Hollander
What is your source for those numbers? That makes 3 people with 3 different answers.
As long ago as it was, all three could have trustworthy sources, but they do disagree.
