bkay

Mickey, my mother's 15-91 was allotted in 1948. It has the striated face plate. So does the 15-91 that was made in Canada. Detailed records are not available for that factory, but the best guess is 1948 as well.

bkay

Mickey2

So, for the moment the transition to striated plates is roughly narrowed down to 1948 to 51. There is the factor of previous batches of bodies and parts laying on a shelf before they were put together. I guess pin stripes must have been a trend in the 40s, one that lasted quite a bit.

Farmhousesewer

I would just make note of the faceplate change for future records, so as not to confuse …