I presume this was the case, as I have seen a deactivated M1 for sale in the UK recently, with a four digit serial number, 1529 and another with the serial number 79839. Can any one help me with the answers to a few questions?Ĭan anyone confirm that the M1 and M1A1 series of Thompsons began their serial numbers from zero, or whatever they began from, and did not follow on from the M1928 and M1928A1 serial numbers?
