Mail Order patterns were also available in local newspapers.
Not all of the major companies dated their vintage sewing patterns in the same way.
It’s possible that Becky Stott’s Progressive Farmer pattern was also sold under other newspapers’ names.
Some placed the dates on the envelopes, some placed the dates on the instruction sheets & others didn't date the patterns at all.
It is easy to find a printed date on a vintage pattern to determine the date.
Between the pattern and the envelope, there is quite a lot going on here. For those of you unfamiliar with Marian Martin patterns, they were advertised in newspapers and were generally quite economical - this one sold for fifteen cents when some of Mc Call's elegant embroidered smock patterns from the same period sold for three times as much.
A seasonal circular was also produced for fifteen cents.
Send for this pattern, buy a few yards of fabric...cotton prints are pretty and cost so little, add a bit of contract, (sic) make it during leisure hours and you'll have a most attractive frock.