06-05-2022, 10:48 AM
Jim,
Yes, according to the survey chart that was published in the ARC magazine (a couple decades ago now
) the serial numbers on the later 70 and 90 sets built after Dec 1931 started with A,B,and C respectively.
Yes, according to the survey chart that was published in the ARC magazine (a couple decades ago now
) the serial numbers on the later 70 and 90 sets built after Dec 1931 started with A,B,and C respectively.
